Dr. Homi Jehangir Bhabha
Duration 1948–1966
Duration 1948–1966
Former Secretaries
Dr. Vikram Ambalal Sarabhai
Duration 1966–1971
Duration 1966–1971
Dr. Homi Nusserwanji Sethna
Duration 1972–1983
Duration 1972–1983
Dr Raja Ramanna
Duration 1983–1987
Duration 1983–1987
Dr. M. R. Srinivasan
Duration 1987–1990
Duration 1987–1990
Dr. P. K. Iyengar
Duration 1990–1993
Duration 1990–1993
Dr. R. Chidambaram
Duration 1993–2000
Duration 1993–2000
Dr. Anil Kakodkar
Duration 2000– 2009
Duration 2000– 2009
Dr. Srikumar Banerjee
Duration 2009–2012
Duration 2009–2012
Dr. Ratan Kumar Sinha
Duration 2012–2015
Duration 2012–2015
Dr. Sekhar Basu
Duration 2015–2018
Duration 2015–2018
Shri K. N. Vyas
Duration 2018-2023
Duration 2018-2023