Dr. T. R. Dutta

 Tenure: 23^rd June, 1978 to 12^th December, 1983

 Dr. N. T. Singh

 Tenure: 13^th December, 1983 to 15^th February, 1988

 Dr. R. N. Pal

 Tenure: 15^th February, 1988 to 5^th May, 1988

 Director (Acting)

 Dr. A. K. Bandyopadhyay

 Tenure: 5^th May, 1988 to 1^st March, 1999

 Dr. T. V. R. S. Sharma

 Tenure: 1^st March, 1999 to 24^th May, 1999

 Director (Acting)

 Dr. S. P. S. Ahlawat

 Tenure: 24^th May, 1999 to 16^th October, 2002

 Dr. R. B. Rai

 Tenure: 16^th October, 2002 to 11^th December, 2005

 Director (Acting)

 Dr. R. C. Upadhyay

 Tenure: 12^th December, 2005 to 9^th July, 2006

 Director (Acting)

 Dr. R. C. Srivastava

 Tenure: 10^th July, 2006 to 7^th July, 2011

 Dr. S. K. Ambast

 Tenure: 8^th July, 2011 to 26^th April, 2012

 Director (Acting)

 Dr. D.R. Singh

 Tenure: 27^th April, 2012 to 17^th August, 2012

 Director (Acting)

 Dr. S. Dam Roy

 Tenure: 18^th August, 2012 to 17^th August, 2017

 Dr. A. Kundu

 Tenure: 18^th August, 2017 to 31^th August, 2019

 Dr.B. Gangaiah

 Tenure: 01^st September, 2019 to 05^th December, 2019