Chennai, July 19 -- Superstar Mammootty, Dhanush, director Rajkumar Perisamy and editor R. Kalaivanan celebrated their National Award win on the sets of their upcoming film 'OM'. The film is written and directed by Rajkumar Perisamy.

Mammootty shared the snaps on his X handle, which featured him, Dhanush, R Kalaivanan and Rajkumar Perisamy cutting a cake to celebrate their National Award win. They were joined by the film's director, Rajkumar Perisamy.

While sharing the snaps, Mammootty wrote, "A small celebration of our National Award wins with Dhanush, Rajkumar Periasamy and R Kalaivanan on the sets of OM. Grateful for all the love and wishes."

Mammootty won the National Award in the category of Best Actor for his performance in the f...