Megastar Amitabh Bachchan, back after a refreshing holiday with family in London, will be facing the camera to shoot for a Malayalam film based on the 1999 Kandahar Air India flight hijack episode with Mohanlal in Ooty.

Bachchan flew to Coimbatore this morning and travelled to Ooty by road to join the cast and crew of the film being directed by Major Ravi.

Big B said even though the language will be Malayalam, his character in the film is North Indian so he shall be speaking in Hindi, with an odd sentence in Malayalam.

"Now that shall be tough, but effort shall be made, lets see what happens," he wrote on his blog.

As soon as he landed in Coimbatore, the Bollywood legend turned nostalgic and tweeted, "Doing this after ages. Nostalgic.. So many movies shot here. Family holidays with kids.. "

The actor's role in the film will require him to shoot for three days and has declined the charge fee for his work.

He said South Indian superstar Mohanlal has been and still is one of the most incredible talents from Kerala and the Malayalam film industry.

The two shared screen space in Ram Gopal Varma's Aag, a remake of Sholay where Mohanlal essayed the role of 'Thakur' and Bachchan played dacoit Gabbar Singh.