Shergill was born in a Sikh family in Gorakhpur, Uttar Pradesh. He moved to Punjab, the place of his ancestors, in 1985 where he studied in Yadavindra Public School, Patiala and Bikram College Patiala. He learnt acting from Sri Harpal Singh, and then moved to Mumbai to work in the entertainment industry. He's married to Priyanka Puri from Delhi and they have a son named Veer Shergill.