He has won the Kerala state Film Award as Best Editor for the Malayalam film Ore Kadal directed by Shyamaprasad in 2007 and Ivan Megharoopan directed by P.Balachandran.

After completing his degree (BTA) in Theatre Arts from the School of Drama and Fine Arts, Thrissur, Calicut University, in 1989, he joined the Film and Television Institute of India, Pune in 1992, where he earned his diploma in Film Editing.

His first independent work as an editor was the FTII diploma film Veg or Non-Veg (1993), directed by Gurpal Singh.

Sukumaran was assistant editor from 1995–1999 for Renu Saluja.

Sukumaran has chaired or participated on judging panels of multiple film festivals and award shows, including Kerala State Film Award.