Even though he has the most celebrated thrillers to his credit - including Mohra (1994), Tridev (1989) and Gupt (1997) - director Rajiv Rai did not helm a Bollywood film since his last release, Asambhav (2004). "I went into oblivion," he says simply. However, the filmmaker now has in store what he believes is among the "best murder mysteries ever written".

Salman Khan