Bollywood star Sanjay Dutt , though going through hard days, has a reason to smile. Dutt's 3-year old son Shahraan is all set to follow his father's footsteps by debuting in Bollywood. The little Shahraan will be reportedly seen in a song called "Kisi Ki Muskuraton Par Ho Nisar" from Sanjay Dutt 's upcoming home production ' Hasmukh Pighal Gaya '.

The cute Shahraan will start the track, which is originally from Raj Kapoor 's movie ' Anari '. As per the reports, the song will be played twice in the film. First time the song will feature debut actor Armaan Ralhan and Shahraan, while the second time, the song will present "shehenshah" Amitabh Bachchan . Dutt's wife Manyata was much happy to see Shahraan in the song. Basically, the song depicts the changing moods of Mumbai, the film being a satire on the hottest day in Mumbai. The film talks about Hasmukh, who combats the heat for getting a task done.

Big B will be seen in a key role in this flick and it will also star Sanjay Dutt , Jackie Shroff and Priyanka Bose . ' Hasmukh Pighal Gaya ' is the debut directorial venture of Sejal Shah .