1. Administrative Experience: 15⁺ Years

     (i) Dean, Research & Consultancy, NIT Andhra Pradesh from 26 Sep 2021 to till to date

     (ii) Member, Board of Governors NIT Andhra Pradesh from 03 Feb 2019 to 02 Feb 2022

     (iii) Dean, Academic Affairs, NIT Andhra Pradesh from 15 Nov 2018 to 30 Sep 2020

     (iv)  Coordinator,NEP-2020, NIT Andhra  Pradesh  from 01 Oct 2020 to 30 Sep 2022

     (v) Nodal Officer, AISHE, NIT Andhra Pradesh from 10 Sep 2018 to 10 Sep 2020

     (vi) HOD of Mechanical Engineering, NIT Andhra Pradesh from 10 Sep 2018 to 15 Nov 2018

     (vii) Campus Coordinator, NIT Andhra Pradesh from 02 Aug 2018 to 09 Sep 2018

     (viii) HOD of Production Engineering, NIT Agartala from 20 Mar 2018 to 31 July 2018

     (ix) Associate Dean, Faculty Welfare, NIT Agartala from 24 Apr 2017 to 20 May 2018

     (x) HOD of Production Engineering, NIT Agartala from 25 July 2013 to 06 July 2016

2.  Academic Social Responsibility

        (i)  Board of Director and Single Point of Contact, Ratan Tata Innovation Hub at Rajahmundry Spoke - A Joint Venture by Ratan Tata Foundation and Andhra Pradesh State Government 

               from 06 June 2025 to till date

3.   Total Teaching Experience: 25⁺Years

       (i) Professor (From 02 Aug 2018 to till to date) NIT Andhra Pradesh

       (ii) Associate Professor (From 24 Apr 2012 to 31 July 2018) NIT Agartala

4.    Courses Taught:

      (i) Simulations in IC Engine Processes

      (ii) Alternative Fuels and Energy Systems

      (iii) Power Plant Engineering

      (iv) Refrigeration and Air Conditioning

      (v) Fluid Mechanics and Hydraulic Machines                 

      (vi) Automobile Engineering

      (vii) Heat and Mass Transfer

5.  List of Projects:

1. Title: ANRF PAIR Co Coordinator (Hub IITH-Spoke NIT Andhra Pradesh)

      Granted by: ANRF

      Grant: 150 Lakhs

2. Title: Evaluation of Autonomous Underwater Vehicle behaviour in Waves (PI).

      Granted by: Naval Science and Technological Laboratory, Visakhapatnam.

      Grant: 11.26 Lakhs.

3. Title: Performance Analysis of ventilation Supercavitating Torpedo considering Mass Transfer Mechanism and dynamic studies on its structure (Consultant and Advisor).

     Granted by: Naval Science and Technological Laboratory, Visakhapatnam.

     Grant: 48.12 Lakhs.

4. Title: Novel Bio Refineries: Design and Process Development for Production of High Value products & Biofuels from Micro algal (Co-PI).

      Granted by: DBT.

      Grant: 60.81 Lakhs.

5. Title: A multi-objective parametric study for performance emission spectra of a single cylinder CI Engine running with different bio-diesel additives.

      Granted by: NIT AP SEED GRANT.

      Grant: 4.00 Lakhs.

6.  List of Patents:

1. G. Ravi Kiran Sastry; Jibitesh Kumar Panda; Santhosh Kumar Gugulothu  A System and A Method for Analyzing Performance and Emission on DI Diesel Engine Fueled with Diesel-Palm Kernel Methyl EsterTriacetin Blends Application            ID: 2021102418 

2. G Ravi Kiran Sastry et al A Nobel Study on a Diesel Engine fueled with different blends of Leucas Zeylancia Methyl Ester (LZME) and 2-ehn Diesel Additive with Diesel Application ID: 202141014101 

3. G Ravi Kiran Sastry et al Krishi Yantra (Semi-Autonomous Agriculture Robot) Application ID: 202141018961

7. PhD Supervision: (a) Completed:13  (b) Undergoing: 04

1. Scholar: Mr. J Ramachander (PF071952)

     Title: Exploration Over Combined Impacts of Alcohol Blends on Low and High Viscous Biofuels on CRDI Diesel Engine Performance, Emission and Combustion Characteristics

     Status: Awarded

2. Scholar: Mr. S Krishna Kireeti (PF071951)

     Title: Numerical Investigations on the Influence of Hydrogen Injection Strategies on the Performance and Combustion Characteristics of the Dual cavity-based Scram Jet combustor

     Status: Awarded

3. Scholar: Mr. R Chandramouli (PP071955)

     Title: Thermodynamic Analysis and Optimization Studies of Reheat and Regenerative Braysson Cycle Driven as a Unitary/Hybrid System

     Status: Awarded

4. Scholar: Mr. B Krishna Mohan (PP071903)

     Title: Investigative Studies on Machinability Characteristics of Inconel 600 Under Dry Turning Environment

     Status: Awarded

5. Scholar: Mr. L B Bharath Raju (PP072001)

     Title: Numerical Analysis on Solar Air Heater using Triangular curved duct with Roughened Surfaces

     Status: Awarded

6. Scholar: Mrs. Vidya Chaparala (PP071954)

     Title: Characterization and Performance Evaluation of an Automobile Generator with Green Nano-Fluids

     Status: Awarded

7. Scholar: Mr. Madhujit Deb (10DME009)

     Title: A Multi-Objective Optimization Study of Performance & Emission Characteristics of a Single Cylinder Diesel Engine using Hydrogen as a Dual Fuel

     Status: Awarded (NITA)

8. Scholar: Mr. Shantan Debnath (13ODPER003)

     Title: Studies on Mechanical Properties and Machineabilities of Directionally Solidified Ex-Situ Developed A1-4.5cu-SiCp MMCs

     Status: Awarded (NITA)

9. Scholar: Mr. Jibtesh Kumar Panda (15EDPER003)

     Title: Performance and Emission of D.I. Diesel Engine with Lucas Zeylanica, Palm Kernel Methyl Esters and 2-EHN, Triacetin additives: Analysis with Experimentation and Taguchi-Fuzzy                                           Optimization

     Status: Awarded (NITA)

10. Scholar: Mr. Rabi Shankar Debnath (15EDPER002)

     Title: An Experimental-Based Performance and Emission Analysis of a CI Engine Fuelled by Thumba and Undi Methyl Esters with Butanol and Di-Ethyl Ether additives, and analysis of                   Results Using   Multi-Objective Optimization

     Status: Awarded (NITA)

11. Scholar: Mr. Vamsi Krishna K (15EDMER004)

     Title: A comparative analysis on performance, combustion and emissions of a Low Heat Rejection and Conventional C.I. engine fuelled by blends of biodiesels-additives and Diesel

     Status: Awarded (NITA)

12. Scholar: Mr. Kiran Kumar Billa (16EDMER011)

     Title: Optimization of Performance and Emission Characteristics Using Biodiesel in a Diesel Engine with Additives

     Status: Awarded (NITA)

13.  Scholar: Mrs. Nabanita Banik (16EDPE006)

     Title: Investigative Studies on Mechanical Performances of Bamboo Reinforced Sodium Silicate Composite

     Status: Awarded (NITA)

14. Scholar: Mrs. K S Lalitha Soujanya (PP072013)

     Title: Exergy analysis of a Cogeneration System Consisting of Molten Carbonate Fuel Cell/Solid Oxide Fuel Cell using Re-heat and Re-generative Braysson cycle and Steam Generator

     Status: Pursuing

15. Scholar: Mr. K Venkateswarlu (PP072054)

     Title: Investigation of the Influence of Various Operating Parameters in WAAM using ER4043 Aluminium Alloy

     Status: Pursuing

16. Scholar: Mr. B Sairam Prasad (PF072151)

     Title: Numerical Investigations on Multiphase Modelling of Water Entry Bodies

     Status: Pursuing

17. Scholar: Mr. B Geetha Chandrasekhar (PP072151)

     Title: Performance Evaluation of Hybrid Power Cycles

     Status: Pursuing

8. PG Dissertations:

9. Details of Publications:

(Scopus ID: https://www.scopus.com/authid/detail.uri?authorId=11340117600) (Google Scholar: https://scholar.google.com/citations?user=QsABu_YAAAAJ&hl=en&oi=ao) (ORCID: https://orcid.org/0000-0003-0047-2393) (Web of Science Researcher ID: NYS-2366-2025; https://www.webofscience.com/wos/author/record/NYS-2366-2025)

(i) Selective List of International Journals:

1. Sastry, G.R.K., Venkateswarlu, K. & Kumar, C.R.V. Interface Metallurgical Characteristics and Mechanical Properties of ER4043 Aluminum Alloys in Wire Arc Additive Manufacturing Process. J. of Materi Eng and Perform (2025). https://doi.org/10.1007/s11665-025-11763-9 (IF:2.0) [Q2]

2. Prasad, B. S., & Sastry, G. R. K. (2025). Numerical Investigations on Oblique Water Entry Dynamics of an Autonomous Underwater Vehicle Impacting Water Surface. Journal of Marine Science and Application, 2025. https://doi.org/10.1007/s11804-025-00625-4 (IF:2.1) [Q2]

3. Sastry GRK, Bharath Raju LB, Gugulothu SK, Kumar R, Barmavatu P. Influence of different base angle and equilateral triangular surface roughness on performance of isosceles trapezoids duct solar air heater: Numerical investigation and its optimization. Appl Therm Eng. 2025;272(February):126331. https://doi.org/10.1016/j.applthermaleng.2025.126331 (IF:6.9) [Q1]

4. Sastry GRK, Raju LBB, Gugulothu SK, A?bulut Ü, Barmavatu P. Thermo-hydraulic optimization of rectangular duct solar air heaters using equilateral triangular roughness on absorber plates. J Therm Anal Calorim. 2025;(0123456789). https://doi.org/10.1007/s10973-025-14022-0 (IF:3.1) [Q2]

5. Bhowmik M, Deb M, Sastry GRK. Performance and emission assessment of an indirect ignition diesel engine fuelled with waste plastic pyrolysis oil and ethanol blends. Front Therm Eng. 2025 Apr 2;5.  https://doi.org/10.3389/fther.2025.1548806 (IF:2.6)[Q1]

6. Chaparala, V., Sastry, G. R. K., & Prasanthi, P. P. (2024). Enhancing heat transfer performance in forced convective systems using experimental study with crystalline nano cellulose-dispersed H ₂ O/C ₂ H ₆ O ₂ nanofluids. Engineering Research Express, 6(3), 035576. https://doi.org/10.1088/2631-8695/ad78a4 (IF:1.6) [Q3]

7. Soujanya, K. S. L., Sastry, G. R. K., Ramji, K., Chandramouli, R., & Kumar, G. S. (2024). Energy and exergy analysis of an ideal molten carbonate fuel cell (MCFC) and reheat & regenerative braysson cycle hybrid system. Engineering Research Express, 6(3), 035503. https://doi.org/10.1088/2631-8695/ad5bc1 (IF:1.6) [Q3]

8. R. Chandramouli, G. Ravi Kiran Sastry, S.K. Gugulothu, M.S.S. Srinivasa Rao, Thermodynamic analysis of solid oxide fuel cell & reheat and regenerative braysson cycle hybrid system integrated with steam generation, Energy Conversion and Management, Volume 301,2024,118018, ISSN 0196-8904, https://doi.org/10.1016/j.enconman.2023.118018 (IF:10.9) [Q1]

9. B Sairam Prasad, G. Ravi Kiran Sastry, H.N. Das, A comprehensive review study on multiphase analysis of water entry bodies, Ocean Engineering, Volume 292,2024,116579, ISSN 0029-8018, https://doi.org/10.1016/j.oceaneng.2023.116579.  (IF:5.5) [Q1]

10. Ameresh, H., Ravi Kiran Sastry, G., & Panda, J. K. (2024). A novel experimental performance and emission study on CRDI engine using hydrogenated and green biodiesels: A turbo powered engine with hydrogen dual fuel and ANN prediction approach. Fuel, 363, 130963. https://doi.org/10.1016/j.fuel.2024.130963 (IF: 7.5) [Q1]

11. Chaparala, V., Gadepalli, R. K. S., & Parvathaneni, P. P. (2024). A molecular dynamics approach for a parametric study of colloidal suspension aggregation kinetics. International Journal on Interactive Design and Manufacturing (IJIDeM), 18(5), 2743–2753. https://doi.org/10.1007/s12008-023-01309-5 (IF:2.5) [Q2]

12.  Kireeti, S. K., Gadepalli, R. S., & Gugulothu, S. K. (2024). Influence of innovative hydrogen multi strut injector with different spacing on cavity-based scramjet combustor. International Journal of Turbo & Jet-Engines, 41(1), 15–30. https://doi.org/10.1515/tjj-2021-0071 (IF: 0.7) [Q3]

13. L.B. Bharath Raju, G.R.K. Sastry, S.K. Gugulothu, K. Kesava Reddy, B. Deepanraj, Numerical investigation on fully developed heat transfer augmentation and friction factor with dimple shaped intrusion and different radius of curvatures on triangular ducts, Applied Thermal Engineering, Volume 221,2023,119661, ISSN 1359-4311, https://doi.org/10.1016/j.applthermaleng.2022.119661.  (IF:6.4) [Q1]

14. Raju, L.B., Sastry, G.R., Gugulothu, S.K. et al. Computational analysis on solar air heater with combination of alternate dimple protrusions and intrusions on absorber plate with one rounded corner triangular duct. Environ Sci Pollut Res 31, 62360–62375 (2024). https://doi.org/10.1007/s11356-022-24625-x (IF:5.8) [Q1]

15. Buddaraju, K. M., Sastry, G. R. K., & Kosaraju, S. (2024). Grey-Taguchi optimization of machining of Inconel 600 using AlTiN coated carbide inserts under dry environmental conditions. International Journal on Interactive Design and Manufacturing, 18(4), 2161–2170. https://doi.org/10.1007/s12008-022-01038-1 (IF:2.1) [Q2]

16. Chandramouli, R., Ravi Kiran Sastry, G., Gugulothu, S. K., and Srinivasa Rao, M. S. S. (April 26, 2021). "Multi-Objective Optimization of Thermo-Ecological Criteria-Based Performance Parameters of Reheat and Regenerative Braysson Cycle." ASME. J. Energy Resour. Technol. July 2021; 143(7): 072106. https://doi.org/10.1115/1.4050695 (IF:2.6) [Q2]

17. Billa, K. K., Deb, M., Sastry, G. R. K., & Dey, S. (2021). Experimental investigation on dispersing graphene-oxide in biodiesel/diesel/ higher alcohol blends on diesel engine using response surface methodology. Environmental Technology, 43(20), 3131–3148. https://doi.org/10.1080/09593330.2021.1916091 (IF:2.2) [Q1]

18. Sastry, G. R., Gugulothu, S. K., Bharath Raju, L. B., Panda, J. K., Bhurat, S. S., and Burra, B. (March 8, 2022). "Influence of Exhaust Gas Recirculation on Performance, Combustion, and Emission Characteristics of a Common Rail Direct Injection Diesel Engine Fueled by Diesel/Higher Alcohol Blends." ASME. J. Thermal Sci. Eng. Appl. October 2022; 14(10): 101001. https://doi.org/10.1115/1.4053599 (IF:1.6) [Q2]

19. S.K. Kireeti, G. Ravi Kiran Sastry, S.K. Gugulothu, B. Deepanraj, L. Syam Sundar, M. Arthi, Comparison of combustion characteristics of four strut injectors with that of three strut injectors by numerically investigating doubly dual cavity-based scramjet combustor, Sustainable Energy Technologies and Assessments, Volume 53, Part D,2022,102759, ISSN 2213-1388, https://doi.org/10.1016/j.seta.2022.102759.  (IF:7.1) [Q1]

20. S.K. Kireeti, Gadepalli Ravikiran Sastry, Santhosh Kumar Gugulothu, Numerical investigation on implication of innovative hydrogen strut in comparison with multi strut injector on performance and combustion characteristics in a scramjet combustor, International Journal of Hydrogen Energy, Volume 47, Issue 99, 2022, Pages 41932-41946, ISSN 0360-3199, https://doi.org/10.1016/j.ijhydene.2022.01.079.  (IF:8.1) [Q1]

21. Ramachander, J., Gugulothu, S.K. & Sastry, G.R.K. Performance and Emission Reduction Characteristics of Metal Based Sio2 Nanoparticle Additives Blended with Ternary Fuel (Diesel-MME-Pentanol) on CRDI Diesel Engine. Silicon 14, 2249–2263 (2022). https://doi.org/10.1007/s12633-021-01024-4 (IF:2.8) [Q2]

22. Raju, L.B., Sastry, G.R., Gugulothu, S.K. et al. Computational analysis on solar air heater with combination of alternate dimple protrusions and intrusions on absorber plate with one rounded corner triangular duct. Environ Sci Pollut Res (2022). https://doi.org/10.1007/s11356-022-24625-x (IF:5.8) [Q1]

23. K. M. Buddaraju, G. R. K. Sastry, S. Kosaraju, and, & K. K. Saxena. (2022). Experimental studies and mathematical modelling of Inconel 600 with CVD coated TiN/TiCN/Al2O3/ZrCN inserts under dry machining Conditions. Indian Journal of Engineering and Materials Sciences, 29(03). https://doi.org/10.56042/ijems.v29i3.65766 (IF:1.4) [Q3]

24. S.K. Kireeti, Gadepalli Ravikiran Sastry, S.K. Gugulothu, B. Deepanraj, Pau Loke Show, Ao Xia, M. Arthi, Numerical investigations on the implication of hydrogen fuel jet injection pressure on the performance characteristics in a multi-strut in a double-dual cavity-based scramjet combustor, Fuel, Volume 324, Part B,2022,124528, ISSN 0016-2361, https://doi.org/10.1016/j.fuel.2022.124528.  (IF:7.2) [Q1]

25. Jatoth, R., Gugulothu, S. K., Sastry, G. R. K., & Surya, M. S. (2021). Statistical and experimental investigation of the influence of fuel injection strategies on gasoline/diesel RCCI combustion and emission characteristics in a diesel engine. International Journal of Green Energy, 18(12), 1229–1248. https://doi.org/10.1080/15435075.2021.1897829 (IF:3.3) [Q2]

26. Seelam, N., Gugulothu, S. K., Bhasker, B., Mulugundum, S., & Sastry, G. R. (2023). Investigating the role of fuel injection pressure and piston bowl geometries to enhance performance and emission characteristics of hydrogen-enriched diesel/1-pentanol fueled in CRDI diesel engine. Environmental science and pollution research international, 30(28), 72059–72073. https://doi.org/10.1007/s11356-021-18076-z (IF:5.8) [Q1]

27. J. Ramachander, S.K. Gugulothu, G.Ravikiran Sastry, M.Siva Surya, Statistical and experimental investigation of the influence of fuel injection strategies on CRDI engine assisted CNG dual fuel diesel engine, International Journal of Hydrogen Energy, Volume 46, Issue 42,2021, Pages 22149-22164, ISSN 0360-3199, https://doi.org/10.1016/j.ijhydene.2021.04.010.  (IF:7.2) [Q1]

28. J. Ramachander, S.K. Gugulothu, G.R.K. Sastry, Jibitesh Kumar Panda, M. Siva Surya, Performance and emission predictions of a CRDI engine powered with diesel fuel: A combined study of injection parameters variation and Box-Behnken response surface methodology-based optimization, Fuel, Volume 290,2021,120069, ISSN 0016-2361, https://doi.org/10.1016/j.fuel.2020.120069.  (IF:7.2) [Q1]

29. Ramachander Jatoth, Santhosh Kumar Gugulothu, G. Ravi kiran Sastry, Experimental study of using biodiesel and low cetane alcohol as the pilot fuel on the performance and emission trade-off study in the diesel/compressed natural gas dual fuel combustion mode, Energy, Volume 225,2021,120218, ISSN 0360-5442, https://doi.org/10.1016/j.energy.2021.120218.  (IF:9.0) [Q1]

30. Kireeti, S. K., Ravikiran Sastry, G., & Gugulothu, S. K. (2024). Numerical investigation on implication of innovative hydrogen strut injector on performance and combustion characteristics in a scramjet combustor. International Journal of Turbo & Jet-Engines, 40(s1), s43–s57. https://doi.org/10.1515/tjj-2021-0055 (IF: 0.7) [Q3]

31. Teja, P.N.S., Gugulothu, S.K., Sastry, G.R. et al. Numerical analysis of nanomaterial-based sustainable latent heat thermal energy storage system by improving thermal characteristics of phase change material. Environ Sci Pollut Res 29, 50937–50950 (2022). https://doi.org/10.1007/s11356-021-15485-y (IF:5.8) [Q1]

32. Banik, N., Dey, V., & Sastry, G. R. K. (2017). An Overview of Lignin & Hemicellulose Effect Upon Biodegradable Bamboo Fiber Composites Due to Moisture. Materials Today: Proceedings, 4(2), 3222–3232. https://doi.org/10.1016/j.matpr.2017.02.208 [Q2]

33. Banik, N., Dey, V., & Sastry, G. R. K. (2018). An experimental assiduity on the dominance of process parameters on mechanical properties for making a fire-retardant bamboo fiber composite with the help of Taguchi experimental design. Materials Today: Proceedings, 5(2), 5701–5708. https://doi.org/10.1016/j.matpr.2017.12.164 [Q2]

34. Debnath, R., Singh, R., Sastry, G. &, & Rai, R. N. (2020). RSM based Grey Relation Analysis of Process Parameters in a CI Engine using Various Bio Diesel Blends. Journal of Scientific & Industrial Research, 79(1). https://doi.org/10.56042/jsir.v79i1.68118 (IF:1.4) [Q3]

35. Billa, K. K., Sastry, G. R. K., & Deb, M. (2020). Characterization of emission-performance paradigm of a DI-CI engine using artificial intelligent based multi objective response surface methodology model fueled with diesel-biodiesel blends. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 46(1), 4435–4464. https://doi.org/10.1080/15567036.2019.1704312 (IF:2.3) [Q2]

36. Vamsi Krishna Kolli, Sastry Gadepalli, John Deb Barma, Murali Krishna Maddali, Sreeram Barathula, Naresh Kumar reddy Siddavatam, Establishment of lower exhaust emissions by using EGR coupled low heat loss diesel engine with fuel blends of microalgae biodiesel-oxygenated additive DEE-antioxidant DPPD, Thermal Science and Engineering Progress, Volume 13,2019,100401, ISSN 2451-9049, https://doi.org/10.1016/j.tsep.2019.100401.  (IF:5.1) [Q1]

37. R. Debnath, R. Singh, G. R. K. Sastry, and R. N. Rai, “A novel investigative trade-off engine at varying loads,” J. Sci. Ind. Res. (India)., vol. 78, no. 6, pp. 376–381, 2019. (IF:0.7) [Q3]

38. Debnath, S., Sastry, G. R. K., & Rai, R. N. (2019). Multi-objective decision making optimization for electro discharge machining process of Al-4.5Cu-SiC composite using fuzzy-topsis. Journal of Scientific and Industrial Research, 78(2), 86–90. (IF:0.7) [Q3]

39. Debnath, R., Sastry, G.R.K. & Rai, R.N. An experimental investigation of performance and emission of thumba biodiesel using butanol as an additive in an IDI CI engine and analysis of results using multi-objective fuzzy-based genetic algorithm. Environ Sci Pollut Res 26, 2281–2296 (2019). https://doi.org/10.1007/s11356-018-3699-y (IF:5.8) [Q1]

40. Billa, K. K., Sastry, G. R. K., & Deb, M. (2020). Characterization of emission-performance paradigm of a DI-CI engine using artificial intelligent based multi objective response surface methodology model fueled with diesel-biodiesel blends. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 46(1), 4435–4464. https://doi.org/10.1080/15567036.2019.1704312 (IF:2.3) [Q2]

41. Kolli, V., Gadepalli, S., Debbarma, J., mandal, P., & Barathula, S. (2020). Experimental analysis on performance, combustion & emissions of a diesel engine fueled by Aegle marmelos seed oil biodiesel with additives: Graphene Nanosheets and oxygenated diethyl ether. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 46(1), 10369–10388. https://doi.org/10.1080/15567036.2020.1783393 (IF:2.3) [Q2]

(b) Selective list of Publications in Refereed Conferences:

 1. Buddaraju, K. M., Sastry, G. R. K., Kosaraju, S., & Guda, S. (2023). Taguchi optimization of process parameters of turning of nickel based super alloy with textured inserts. 120006. https://doi.org/10.1063/5.0161794. 

2. Vidya Chaparala, G. Ravi Kiran Sastry, P. Phani Prasanthi, Thermal degradation study of cotton waste pulp-based cellulose nanocrystals, Materials Today: Proceedings, 2023, ISSN 2214-7853, https://doi.org/10.1016/j.matpr.2023.05.134.

3. Krishna Mohan Buddaraju, G. Ravi Kiran Sastry, Satyanarayana Kosaraju, A review on turning of Inconel alloys, Materials Today: Proceedings, Volume 44, Part 1,2021, Pages 2645-2652, ISSN 2214-7853, https://doi.org/10.1016/j.matpr.2020.12.673. 

4. Debnath, S., Rai, R. N., & Sastry, G. R. K. (2018). A Study of Multiple Regression Analysis on Die Sinking EDM Machining of Ex-Situ Developed Al-4.5cu-Sic Composite. Materials Today: Proceedings, 5(2), 5195–5201. https://doi.org/10.1016/j.matpr.2017.12.101.

5. Jibitesh Kumar Panda, G Ravi Kiran Sastry, Ram Naresh Rai, A Comparative Investigation on D.I. Diesel by Using Different Blends of Diesel- Biodiesel Additives: Performance and Emission Based Trade-off Analysis.

6. M. D. Billa K K, GRK Sastry, “A Novel Comparison of Two Artificial Intelligent models for estimating the Kinematic Viscosity and Density of Cottonseed Methyl Ester,” in International Journal of Computational Intelligence & IoT, 2018, vol. 1, no. 2, p. 5.

7. Vamsi Krishna, K., Sastry, G. R. K., Murali Krishna, M. V. S., & Jibitesh Kumar, P. (2018). Performance and Emission analysis of optimal DEE blended Pongamia pinnata L. biodiesel fuelled to EGR coupled Low Heat Rejection (LHR) Diesel Engine. IOP Conference Series: Materials Science and Engineering, 377(1), 0–7. https://doi.org/10.1088/1757-899X/377/1/012164.

8. Jibitesh Kumar Panda, G Ravi Kiran Sastry, Ram Naresh Rai, A Study on Performance, Emission and Trade-Off Characteristics of DI A Diesel Engine Using Different Blends of Biodiesel and Diesel Additive.

9. GRK Sastry, Investigations on the Performance of an IDI Diesel Engine Using Azadirachta Indica and Calophyllum Inophyllum Linn Bio Diesel Blends and Ethanol.

10. Jibitesh Kumar Panda, Rabisankar Debnath, Dr G Ravi Kiran Sastry, Dr Ram Naresh Rai; A noble experimental study of the performance and emission characteristics on a direct injection ci engine under different biodiesel and diesel additive fuel blends.

11. Dr G Ravi Kiran Sastry, Jibitesh Kumar Panda, Rabisankar Debnath, Dr Ram Naresh Rai; An experimental study on the role of diesel additive and biodiesel on performance emission trade-off characteristics of a DI CI Engine.

12. Rabisankar Debnath, Jibitesh Kumar Panda, Dr.Madhujit Deb, Dr.G.R.K.Sastry, Dr.R.N.Rai; Novel Investigative study of performance and emission of Undi bio diesel and ethanol as an additive in an IDI CI engine at varying loads.

13. Dr. G Ravi Kiran Sastry, Jibitesh Kumar Panda, Dr. Ram Naresh Rai, Rabisankar Debnath; A novel emulsifier diesel biodiesel–ethanol blend as existing DI CI engine fuel: An assessment of performance and emission.

14. S Debnath, R N Rai, G R K Sastry; Studies of microstructure and mechanical properties of ex-situ developed Al-4.5%Cu-SiCcomposite prepared by stir casting technique.

(c) Books /Articles / Chapters Published:

1. Billa, K.K., Sastry, G.R.K., Deb, M. (2020). Artificial Intelligence Based Artificial Neural Network Model to Predict Performance and Emission Paradigm of a Compression Ignition Direct Injection Engine Under Diesel-Biodiesel Strategies. In: Ghosh, S. (eds) Energy Recovery Processes from Wastes. Springer, Singapore. https://doi.org/10.1007/978-981-32-9228-4_7

2. G. Ravi Kiran Sastry Bio-diesel Bio-degradable Alternative Fuel for Diesel Engines ISBN 13: 978-81-89973-50-6, ISBN 10: 81-89973-50-9. Read Worthy Publications Pvt. Ltd.

3. Siddhartha Das, Bijoy Kumar Deb & Ravi Kiran Sastry - An Experimental Study of Performance and Emission Characteristics of a Diesel Engine Fueled with Palm Kernel Methyl Ester with Ethanol Additive: A Fuzzy-Based Optimization Approach DOI: https://doi.org/10.1007/978-981-15-1124-0_2 ISBN:978-981-15-1123-3, ISBN:978-981-15-1124-0

4. Engineering Mechanics by T. V. Krishna, T. M. Mohan, G. Ravi Kiran Sastry ISBN: 9789353502782, Cengage Learning India Private Limited, 7th Floor, Fusion Square, Plot no. 5A & 5B, Sector-126, Noida Uttar Pradesh-201303

5. Dey, S., Das, P.K., Deb, M., Sastry, G.R.K. (2024). Green Ammonia: An Alternative Sustainable Energy Source for Clean Combustion. In: Kumar, S., Agarwal, A.K., Khandelwal, B., Singh, P. (eds) Ammonia and Hydrogen for Green Energy Transition. Energy, Environment, and Sustainability. Springer, Singapore. https://doi.org/10.1007/978-981-97-0507-8_2 

6.  Sastry, G. Ravi Kiran, Jibitesh Kumar Panda, Rabisankar Debnath, and Ram Naresh Rai. "An Experimental Study on the Role of Diesel Additive and Biodiesel on Performance Emission Trade-Off Characteristics of a Di Ci Engine." In Mechanical Engineering for Sustainable Development: State-of-the-Art Research, pp. 361-370. Apple Academic Press, 2019.

(d) STTP/Conference /Seminar/Workshops organised as Coordinator/Chairperson:

1.      Coordinator, Condition Monitoring and Hydrodynamic Design of Marine Vehicles, Nov 9–20, 2022, NIT Andhra Pradesh, Sponsored by AICTE ATAL Academy.

2.      Coordinator, Webinar Series on New Education Policy 2020, NIT Andhra Pradesh, Organised by NIT Andhra Pradesh.

3.      Coordinator, STTP on Condition Monitoring of Industrial Machinery, Apr 25–29, 2016, NIT Agartala, Institution Sponsored.

4.      Convener, National Convention for Production Engineers. Jul 18–19, 2014, NIT Agartala, Jointly by NIT Agartala & IEI.

5.      Coordinator, Workshop on Advances in Manufacturing Technology & Mechatronic Systems, Mar 13–14, 2015, NIT Agartala, Institution Sponsored.

6.      Chairman, Workshop on Advances in Tribology, Nov 8–9, 2013, NIT Agartala, Sponsored by TEQIP.

7.      Chairman, Workshop on Advanced Materials & Machining, Jan 9–10, 2014, NIT Agartala, Sponsored by TEQIP.

8.      Chairman, Workshop on Multi-Criteria Decision-Making Techniques (MCDM), Jan 13–14, 2014, NIT Agartala, Sponsored by TEQIP.

9.      Chairman, Workshop on Recent Advances in Welding Process, Jan 30–31, 2014, NIT Agartala, Sponsored by TEQIP.

10.  Co-Coordinator, Seminar on Alternative Fuels, Dec 24, 2010, KL University, Guntur, Organised by KL University.

11.  Convener, MECHRONINS-08: National Level Student Technical Symposium & Model Exhibition, Mar 9–10, 2008, CEC, Visakhapatnam, Organised by CEC Visakhapatnam.

(e) Outreach Activities:

1. Delivered a lecture on Leadership in a Technology-Driven World on the occasion of Engineers' Day, Sep 15, 2025, SRKR Engineering College, Bhimavaram.

2. Attended Leadership Development Program in Science and Technology, Sep 01 - 06, 2025, organised by the Indian National Science Academy, New Delhi.

3. Attended Nurturing Future Leadership Program, Feb 10 – 14, 2025, IIM Visakhapatnam.

4. Attended a Workshop on Transforming Higher Education and Research for Industry Value Enhancement (THRIVE), Jan 19-22, 2025, IIT Madras.

5. Delivered a lecture on Heat Transfer Applications in Mechanical Engineering, Dec 12, 2024, ANITS Visakhapatnam.

6. Delivered a session on Guru Shishya Parampara - The Timeless Tradition of Knowledge Transmission, in the International Conference on Unravelling Indian Knowledge Across Asia (UNIKAA 2024), Towards Developed Asia and Vikasit Bharat, IIT Guwahati. Oct 1 – 3, 2024. 

7. Delivered a lecture on Recent Trends in Alternative Energy Systems, Aug 22, 2022, Osmania University College of Engineering, Osmania University. 

10. Membership of Technical Societies:

1. FIE(Fellow) - Institution of Engineers (India) F-118307-5.

2. Life Member - Condition Monitoring Society of India LM-1700316.

3. Member - Society of Chemical Industries, London 75006.

11. Recognitions:

1. 2025-Recieved EMINNT ENGINEER Award by LIONS CLUB INTERNATIONAL

2. 2016 -2018 Eminent Educationalist by Kendriya Vidyalaya Sangathan, NIT Agartala.

3. Received the Engineer of the Year 2021 Award by the Institution of Engineers, Bhimavaram local Chapter of Andhra Pradesh State.

12. Other relevant information:

1. Peer Reviewer for various ASME and Elsevier Journals.

2. Peer Reviewer for InderScience Publishers Journals.

3. Peer Reviewer for Wiley Publishers Journals.