| Name | Image | Designation ( Tenure ) |
| SHRI HETUDAN UJJAWAL |
 |
Principal ( November 1957 - May 1958) |
| SHRI V D SHARMA |
 |
Principal ( May 1958 - January 1962) |
| SHRI NIRANJAN SINGH |
 |
Principal ( January 1962 - June 1963) |
| SHRI BRIJ RAJ BAHADUR |
 |
Principal ( August 1963 - May 1964) |
| SHRI K L BARAYA |
 |
Director ( June 1964 - January 1967) |
| SHRI MOHINDER SINGH |
 |
Director ( October 1967 - July 1968) |
| SHRI R MUKHERJEE |
 |
Director ( July 1968 - December 1968) |
| SHRI RAM SINGH |
 |
Director ( December 1968 - December 1971 ) |
| SHRI P K B KURUP |
 |
Director ( December 1971 - August 1974 ) |
| DR H M MATHUR |
 |
Director ( September 1974 - June 1977 ) |
| SHRI VIJAY VERMA |
 |
Director ( July 1977 - February 1978 ) |
| SHRI K N BHARGAVA |
 |
Director ( May 1978 - August 1981 ) |
| SHRI M L MEHTA |
 |
Director ( August 1981 - March 1985 ) |
| SHRI V N BAHADUR |
 |
Director (01 April 1985 - 29 May 1986 ) |
| SHRI PAWAN CHOPRA |
 |
Director (30 May 1986 - 19 May 1989 ) |
| SHRI T V RAMANAN |
 |
Director (07 August 1989 - 15 March 1990 ) |
| DR S P VISHNOI |
 |
Director (09 April 1990 - 28 January 1991 ) |
| SHRI B RAM |
 |
Director ( 29 January 1991 - 31 August 1991 ) |
| Ms A K AHUJA |
 |
Director ( 01 September 1991 - 15 June 1993 ) |
| SHRI A S RATHORE |
 |
Director ( 15 June 1993 - 30 July 1993 ) |
| Ms KUSUM PRASAD |
 |
Director (30 July 1993 - 14 December 1993 ) |
| DR H M MATHUR |
 |
Director ( 14 December 1993 - 30 July 1995) |
| SHRI I S KAVDIA |
 |
Director ( 02 September 1995 - 28 October 1999 ) |
| Dr SUDHIR VARMA |
 |
Director ( 28 October 1999 - 07 July 2001 ) |
| SHRI A K PANDE |
 |
Director ( 07 July 2001 - 19 January 2004 ) |
| Dr ARVIND MAYARAM |
 |
Director ( 19 January 2004 - 09 June 2005 ) |
| Dr RAKESH HOOJA |
 |
Director ( 25 June 2005 - 03 March 2009 ) |
| SHRI SUNIL ARORA |
 |
Director ( 03 March 2009 - 02 November 2009) |
| Dr RAJIV SHARMA |
 |
Director ( 02 November 2009 - 21 April 2010 ) |
| SHRI KHEMRAJ |
 |
Director ( 21 April 2010 - 01 December 2010 ) |
| Ms ASHA SINGH |
 |
Director General ( 01 December 2010 - 05 August 2011 ) |
| SHRI C M MEENA |
 |
Director General ( 05 August 2011 - 24 November 2011 ) |
| SHRI L P KOTHARI |
 |
Director General ( 24 November 2011 - 31 May 2012 ) |
| SHRI SUDARSAN SETHI |
 |
Director (31 May 2012 - 22 June 2012 ) |
| SHRI ROHIT R BRANDON |
 |
Director ( 22 June 2012 - 31 July 2014 ) |
| SHRI A MUKHOPADHAYA |
 |
Director (01 August 2014 - 20 September 2014 ) |
| SHRI ALOK GUPTA |
 |
Director (20 September 2014 - 18 May 2015 ) |
| Ms GURJOT KAUR |
 |
Director General ( 18 May 2015 - 31 January 2019 ) |
| SHRI ASHWINI BHAGAT |
 |
Director (09 February 2019 - 03 July 2020 ) |
| SHRI SANDEEP VERMA |
 |
Director General ( 03 July 2020 - 04 August 2021 ) |
| DR R VENKATESWARAN |
 |
Director General ( 04 August 2021 - 30 June 2022 ) |
| SHRI SUDHANSH PANT |
 |
Director General ( 02 August 2022 - 30 November 2022 ) |
| SHRI HEMANT KUMAR GERA |
 |
Director General ( 09 December 2022 - 17 July 2023) |
| SHRI NAVEEN MAHAJAN |
 |
Director General ( 17 July 2023 - 14 February 2024) |
| SHRI HEMANT KUMAR GERA |
|
Director General ( 14 February 2024 - Contd...) |