. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Ratan Kumar Sinha" . . . "1951-10-23" . "1951" . . . . "Secretary,Department of Atomic Energy, Chairman,Atomic Energy Commission of India, Former Director,Bhabha Atomic Research Centre" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Ratan Kumar Sinha" .