ANSWER: None of the above
Explanation:
Distinguished scientist KN Vyas has taken over as Director of Bhabha Atomic Research Centre on 23rd February 2016, taking over from Dr. Sekhar Basu, Chairman of Atomic Energy Commission and Secretary to Union Government DAE. Prior to this, Vyas was Associate Director for Reactor Projects Group in BARC and joined the institution after graduating from BARC training school. He has over 35 years of experience in the field.