According to sources, the cause of death is heart attack.
He appeared in mainstream commercial Pakistani, Indian, and Hollywood, Independent films His credits also include appearances in American films. He has been awarded Padma Shri, the fourth highest civilian award of India.
Om Puri was one of those actors who have balanced their career between art house, mainstream and international films.
The veteran actor, a recipient of Padma Shri, started his journey as an actor with a Marathi film "Ghashiram Kotwal" in 1972 and continued acting in films like "Aakrosh", "Ardh Satya" and "Arohan" among others and won Filmfare Best Supporting Actor Award and National Film Award for Best Actor respectively.
Om Puri was born in Ambala, Haryana, to a Punjabi family. Puri graduated from the Film and Television Institute of India, Pune.
(More details awaited)