| Qualification | Name of the Institute | University | Year of Passing |
| MBA (Operations) | GITAM college Visakhapatnam | GITAM University Visakhapatnam | 2014 |
| B.Sc(Marine) | CUSAT | Cochin University | 2006 |
| M.Tech | College of engineering, Andhra University, Visakhapatnam | Andhra University | 2015 |
| Experience Type | Institute/Company Name | Designation | From | To |
| Academic | Dr B R Ambedkar Institute of Technology Sri Vijaya Puram | Lecturer (Senior Scale) | 2018-08-02 | Till date |
| Professional | L&T | Manager | 2017-03-01 | 20-06-2018 |
| Professional | Indian Navy | Engineer | 1997-12-01 | 30-09-2016 |
| Authors | Title | Journal | Volume | Page No | Year |
| Rajnish Kumar | Experimental Study of Condensation in a Shell and Tube Heat Exchanger in the Presence of a Noncondensable Gas | Wiley Periodicals, Inc. | 6 | 46 | 2016 |
| Rajnish Kumar | Comparative study of mechanical and chemical methods for surface cleaning of a marine shell-and-tube heat exchanger | Wiley Online library- Heat Transfer—Asian Research | 1 | 11 | 2017 |
| Topic | Name of College/Institute | Duration and Dates |
| Operator license of Nuclear power plants in India | PRP Kalpakkam, BARC | 26 months |
| Position | Faculty | From | To |
| Academic Coordinator | Dept. of Mechanical Engineering | 2019-06-01 | Till Date |