Actor-turned-politician Kamal Haasan met acclaimed filmmaker Christopher Nolan on Friday. He sais he was surprised to know that Nolan has seen some of his films.

The Indian actor also gave him a copy of his critically acclaimed movie Hey Ram in digital format. 

In a tweet Kamal shared: "Met Mr.Christopher Nolan. Apologised for seeing Dunkirk in the digital format and in return I am sending Hey Ram in digital format for him to see."

"Was surprised to know he had seen Paapanaasam," he added.

Nolan is in India to draw attention to the importance of celluloid in the digital age. 

Indian filmmaker and archivist Shivendra Singh Dungarpur, founder of the Film Heritage Foundation (FHF), is hosting Nolan at a three-day event 'Reframing the Future of Film' here from March 30 to April 1.