Manjit Singh Mann, born on 15th February, 1973, started bodybuilding in the year 1990 just as a hobby. He wanted that before joining the college his body should look good. In his village, Nangalshama (Distt. Jalandhar) there was a small gym and under the training of Mr. Arvinder Singh he started doing bodybuilding. On 31st December, 1990 he took part in local competition in Jalandhar and won second position. This motivated him to do more and he stared competing on state and national level. In the year 2002-2003 he joined Punjab police as sub inspector but had to leave body building. In year 2009, he again achieved good form and was selected to represent India in Asian games.
- 6th place Junior Punjab, 1991.
- 4th place Senior Punjab, 1991.
- 2ND Place Senior Punjab, March 1992.
- 1st place Senior Punjab, 15 November, 1992.
- 2ne place Senior North India, 15 November, 1992.
- 1st place Junior National Nasik, 1993.
- Overall Winner Zee Senior North India, 30 January, 1994.
- Best Poser Junior Asian Malaysia, 1994.
- 6TH place JCT classic open India, 1995.
- 6th place Senior Asia, 1998.
- 2nd place World Police games New York USA, 2011.
- Winner of 8 Gold, 6 Silver and 3 Bronze medals on National level.