Mumbai's local trains will play an important role in promoting Vidya Balan and Emraan Hashmi starer comic flick ' Ghanchakkar '. The local trains in Mumbai play a key role in the movie and hence the filmmakers decided to use the Mumbai local trains to promote the movie.

According to the source, Mumbai's local trains play an important role in the film ' Ghanchakkar '. So when the promotional strategies were being discussed by the filmmakers , the idea of promoting the film using Mumbai local trains was finalized. It was considered as one of the important ideas in the film promotions.

The lead actors in the film Vidya and Emraan will promote their film on the local trains in four cities Delhi, Mumbai, Lucknow and Indore, said the source. The digital promos of the films were released recently and received a positive response from the audiences. The film ' Ghanchakkar ' is directed by Rajkumar Gupta and will release on 28th June.