Ravinder Kumar Kotnala[1][2] known as R.K. Kotnala is an Indian scientist.
He has worked on topics such as hydroelectric cell,[3] solar cells, magnetic materials & magnetic field measurements.
He has been involved in organizations such as National Physical Laboratory, Department of Atomic Energy, and National Accreditation Board for Testing and Calibration Laboratories (NABL).
He served as Head of Environmental Sciences & Biomedical Metrology in the CSIR-NPL.
[4] Kotnala is one of the Honorary Professor at Amity Institute of Nanotechnology,[5] Noida.