The actor suffered a heart attack at his residence in Mumbai early on Friday, reports say.
Om Puri, who acted in both mainstream and art films, was known for his gritty performances in a number of landmark Indian films in the 1980s.
He also appeared in a number of British films, including a cameo in Richard Attenborough's epic on Mahatma Gandhi.
A versatile actor, Puri was known for his roles in Indian, Pakistani, British and Hollywood films. He was awarded an honorary OBE for his contribution to the British film industry in 2004.
He found international fame for his roles in American and British films, including the 1999 British comedy East is East about a Pakistani immigrant adjusting to life in the north of England.
Puri also worked in City of Joy, The Reluctant Fundamentalist and most recently in The Hundred-Foot Journey.
At home, Puri was best-known for his performances in critically acclaimed films like Ardh Satya, Sadgati, Paar and the satirical Jaane Bhi Do Yaaro.
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