 After completion of his Master's in 1983, Kunal was appointed as the Senior Superintendent of Police at Patna.In 2001, Kunal retired from the Indian Police Service voluntarily.After retirement, he served as the chairman of the Bihar State Board of Religious Trusts.Kunal is also secretary of the Mahaveer Temple Trust, Patna, and previously of Mahavir Arogya Sansthan, in which capacity he was involved with the promotion of healthcare for the poor.