| SNo. | Name of the Scientist | Date of joining | Date of Leaving | Position Held (When Left) | Remark |
| 1 | Dr. Amita Bhattacharya | 30.06.1998 | 31-08-2020 | Sr. Principal Scientist | Retired |
| 2 | Dr. Ashu Gulati | 15.03.1993 | 28-02-2019 | Chief Scientist | Retired |
| 3 | Dr. Brij Lal | 10-03-1997 | 31-07-2018 | Chief Scientist | Retired |
| 4 | Dr. Sapan Kumar | 10-08-2017 | 25-05-2018 | Senior Scientist | Resigned |
| 5 | Dr. S. K. Vats | 03-07-2000 | 30-04-2018 | Sr. Principal Scientist | Retired |
| 6 | Dr. Gopi Chand | 24-06-1998 | 31-12-2017 | Sr. Principal Scientist | Retired |
| 7 | Dr. Bikram Singh | 28-07-1988 | 30-04-2017 | Chief Scientist | Retired |
| 8 | Dr. Partha Ghosh | 22-08-2005 | 03-02-2017 | Scientist | Resigned |
| 9 | Dr. Sudesh Kumar | 2004-2005 | 11-04-2016 | Principal Scientist | Resigned |
| 10 | Dr. Y. Sreenivasulu | 2004-2005 | 10-06-2016 | Principal Scientist | Transferred |
| 11 | Er. G.D. Kiran Babu | 05-05-1994 | 27-05-2016 | Sr. Principal Scientist | Transferred |
| 12 | Dr. Neeraj Kumar | 11-04-2008 | 28-03-2016 | Senior Scientist | Deceased |
| 13 | Dr. Anil Kumar Singh | 07-03-2011 | 2015-2016 | Scientist | Resigned |
| 14 | Dr. Arvind Gulati | 30-06-1986 | 31-01-2016 | Chief Scientist | Retired |
| 15 | Mr. D. Dhyani | 05-02-1991 | 30-09-2015 | Sr. Principal Scientist | Retired |
| 16 | Dr. Virendra Singh | 08-08-1988 | 31-08-2015 | Chief Scientist | Retired |
| 17 | Dr. Yogesh B. Pakade | 2008-2009 | 30-06-2015 | Scientist B | Transferred |
| 18 | Dr. Anil Sood | 11-08-1986 | 30-04-2015 | Chief Scientist | Retired |
| 19 | Dr. R.D. Singh | 06-06-1986 | 08-10-2014 | Chief Scientist | Deceased |
| 20 | Dr. Som Dutt | 2002-2003 | 30-05-2014 | Scientist Gr.IV(1) | Resigned |
| 21 | Dr. Bagler Ganesh B | 04-10-2011 | 08-04-2014 | Scientist | Resigned |
| 22 | Dr. (Mrs.) Madhu Sharma | 30-11-1993 | 28-02-2014 | Sr. Principal Scientist | Retired |
| 23 | Dr. V. Sanamugam | 2002-2003 | 26-12-2013 | Scientist Gr.IV(2) | Transferred |
| 24 | Er. R K Bindal | 18.12.1996 | 04-10-2013 | Prinvcipal Scientist | Transferred |
| 25 | Dr. Ramesh C Kasana | 02-04-2004 | 15-10-2013 | Scientist | Transferred |
| 26 | Dr. Markandey Singh | 16-07-2001 | 06-08-2013 | Principal Scientist | Transferred |
| 27 | Dr. Arun Kumar Sinha | 30-06-1998 | 12-06-2013 | Chief Scientist | Transferred |
| 28 | Dr. Gopaljee Jha | 13-08-2007 | 31-03-2013 | Scientist | Resigned |
| 29 | Dr. C.S. Seth | 09-05-2008 | 21-09-2012 | Scientist | Resigned |
| 30 | Dr. H.P. Singh | 18-09-1986 | 30-11-2012 | Sr. Principal Scientist | Retired |
| 31 | Dr. S. A. A. Zaidi | 14-07-1988 | 16-03-2012 | Sr. Principal Scientist B | Deceased |
| 32 | Dr. Subhash C Yadav | 03-08-2010 | 09-11-2011 | Scientist | Resigned |
| 33 | Dr. Amit Bafana | 30-06-2008 | 28-04-2011 | Scientist | Resigned |
| 34 | Dr. Manoj Kumar Modi | 16-02-2010 | 03-09-2010 | Scientist Gr.IV(2) | Resigned |
| 35 | Dr. Vineeta Tripathi | 10-03-2010 | 17-06-2010 | Scientist Gr.IV(1) | Resigned |
| 36 | Dr. D.K. Tewary | 13-07-2005 | 04-05-2010 | Scientist Gr.IV(2) | Resigned |
| 37 | Dr. S. Raj. Kumar | 09-07-2004 | 25-02-2010 | Scientist | Resigned |
| 38 | Dr. Vekanta Reddy T | 19-01-2006 | 30-06-2008 | Scientist | Resigned |
| 39 | Ms. Neelam Yadav | 11-06-2007 | 01-10-2008 | Scientist B | Resigned |
| 40 | Dr. K. Ramesh | 19-04-2004 | 29-08-2008 | Scientist EI | Resigned |
| 41 | Dr. V. K. Kaul | 17-01-1991 | 31-03-2008 | Scientist F | Retired |
| 42 | Dr. Adarsh Shankar | 27-05-1988 | 31-07-2007 | Scientist F | Retired |
| 43 | Dr. S. Karthigeyan | 27-09-2000 | 2007-2008 | Scientist C | Resigned |
| 44 | Dr. Deeksha Katyal | 08-08-2005 | 07-08-2006 | Scientist B | Resigned |
| 45 | Dr. N. K. Kalia | 31-10-2006 | Scientist EII | Retired | |
| 46 | Dr. Ramesh Kapoor | 31-01-2006 | Scientist F | Retired | |
| 47 | Dr. P. K. Nagar | 23-06-1986 | 31-01-2005 | Scientist F | Retired |
| 48 | Mr. Shri Ram Yadav | 21-01-1997 | 10-03-2004 | Scientist C | Resigned |
| 49 | Dr. Sandeep Manuja | 05-11-2003 | 2004-2005 | Scientist C | Resigned |
| 50 | Dr.J.Kotesh Kumar | 07-03-2000 | 2004-2005 | Scientist C | Resigned |
| 51 | Dr. S. D. Ravindranath | 06-04-1987 | 2003-2004 | Scientist Gr.IV(5) | Retired |
| 52 | Dr. H. R. Negi | 23-04-2001 | 05-11-2003 | Scientist C | Deceased |
| 53 | Dr. D. Mukherjee | 11-08-1986 | 28-02-2001 | Scientist F | Retired |
| 54 | Dr. R.P Sood | 27-05-1988 | 16-11-2000 | Scientist F | Transferred |
| 55 | Dr. D.L. Sharma | 30-08-1995 | 31-03-1998 | Scientist EI | Transferred |
| 56 | Mr. M.B. Tamang | 27-10-1986 | 20-06-1996 | Scientist EI | Resigned |
| 57 | Mr. Yogesh Suman | 24-06-1993 | 15-11-1995 | Scientist B | Resigned |
| 58 | Dr. D.N. Chakraborty | 19-05-1986 | 06-10-1995 | Scientist EII | Resigned |
| 59 | Mr. V.R. Singh | 04-03-1991 | 31-05-1994 | Scientist B | Transferred |
| 60 | Dr. S.K. Nandi | 24-07-1989 | 23-01-1993 | Scientist B | Resigned |
| 61 | Er. S.K. Sohani | 08-07-1986 | 11-12-1992 | Scientist B | Resigned |
| 62 | Dr. L.M.S. Palni | 31-03-1989 | 11-11-1992 | Scientist E1 | Resigned |
| 63 | Dr. Neelam Singh | 03-07-1989 | 10-01-1992 | Scientist B | Transferred |
| 64 | Sh. P. Sinha | 27-06-1991 | 01-08-1991 | Scientist B | Resigned |
| 65 | Dr. Samresh Dwivedi | 08-09-1986 | 22-03-1991 | Scientist C | Resigned |
| 66 | Sh. Kanchan Singh | 24-09-1990 | 17-12-1990 | Scientist B | Resigned |
| 67 | Sh. P.K. Jain | 27-01-1987 | 23-09-1988 | Scientist C | Transferred |
| 68 | Sh. S.K. Angra | 07-07-1987 | 15-01-1988 | Scientist C | Transferred |