Surjewala started his practice as an advocate at 21 in 1988. He commenced his practice with the solicitors firm ‘Shroff & Company, New Delhi’ in 1988 and later in the High Court of Punjab & Haryana at Chandigarh in 1991. Besides corporate and commercial litigation, he took up issues relating to farmers for their land. In March 2005, Surjewala was inducted as the youngest Cabinet Minister in Haryana Cabinet headed by Chief Minister, Bhupinder Singh Hooda. In September 2007, he was a Minister for Power; PWD (Water Supply & Sanitation) and Parliamentary Affairs and heads the Standing Policy Framing Committee on Civil Aviation. In November 2009, he became Cabinet minister in Haryana Government, and held the portfolios of Water Supply and Sanitation, Parliamentary Affairs, Electronics and Information Technology, Science and Technology and Public Works (Building and Roads) Department. And now since December 2017, Surjewala is one of the official spokespersons of Indian National Congress party.