Sunil received his initial training under the watchful tutelage of Pandit Subhash Roy, a senior disciple of Pandit Bhola Nath ji. Simultaneously, Sunil received guidance regarding the concept of Ragas from Sarod Maestro Thakur Shamsher Singh, and Pandit Dau ji Goswami. He also obtained "Sangeet Nipun" from Bhatkhande Sangeet Mahavidyalaya, Lucknow, under the able guidance of Prof. Gopal Chandra Nandi, Late Prof. Prem Singh Kinot and Pandit Ganesh Prasad Mishra. Along with his musical studies, Sunil graduated from Lucknow University. Here, it would be pertinent to make a mention of a few of the awards won by Sunil; viz: First Prize winner at the U.P.Sangeet Natak Academy in 1981; First Prize at Akashvani (A.I.R.) competition in 1982; the "Surmani" title awarded by Sur Singar Samsad Mumbai in 1989. Sunil has received a Grammy Award certificate as a participant for the award winning "Concert for George" performed at Royal Albert Hall, London in 2002 under Bharat Ratna Pt. Ravi Shankar ji.