MUMBAI: With his film Agent Vinod fast nearing its release date, Saif Ali Khan has turned to a novel idea of promoting his film.

For an upcoming ad film, the actor plays a detective much like the character he plays in his film that is being produced under the banner of his Illuminati Production.

The TV commercial, set to air next month, has Khan solving a murder of a Nawab by confronting his Begum.

Reportedly Khan, who endorses Amul Macho, will be seen in a detective avatar where he dons the brand‘s vest with suspenders and pants.