Superstar Shah Rukh Khan has joined hands with the multi-award-winning Arun Kumar, who's better-known professionally as Atlee, for the Tamil director's next as-yet-unnamed film.

The news has been doing the rounds for quite some time, but now it is being reported that SRK, who was in Spain shooting for Siddharth Anand's 'Pathan', has started work on the film in Pune.