Kumar made his television debut in 1993 as one of the three hosts of The Ra Ra Show, a comedy chat show which started airing in April 1993.
Since then, Kumar has appeared in various English television programs such as My Sassy Neighbour and Front; he also hosted three seasons of Rusiyo Rusi, a travelogue cooking show, and played the titular character in the crime comedy series P.I.K. (Private Investigator Krish) on Vasantham Central.