Good news on DD News Channel 15 Oct. 2017 by user1 · Published October 16, 2017 · Updated October 16, 2017 Share
Video of Hydroelectric Cell running fan and LED by few drops of water, invented by Dr. Kotnala and Dr. Jyoti Shah of CSIR-NPL July 10, 2017 by user1 · Published July 10, 2017
How to become a Scientist | By Dr RK Kotnala | Former Chief Scientist | CSIR NPL November 15, 2017 by user1 · Published November 15, 2017
Biggest Indian Invention: Hydroelectric Cell, generates electricity using water July 28, 2017 by user1 · Published July 28, 2017 · Last modified August 11, 2017
