First half was good and entertaining. They were able to tweak the comedy elements from the original Forrest gump movie and adapt it as per Indian background.
The Second half was totally dull not much of comedy was included which was there in the original movie. There was lot of scope to include comedy elements but the screenplay, script was totally screwed in the second half as they focused more on the sadness. Didn't expect this from an Amir Khan movie after watching great hits like PK and dangal.
If you have already watched Forrest Gump , probably you wouldn't enjoy the second half of the movie.
The director didn't balance the movie well. They have included all the comedy parts in first half and the second half is just a boring sob story waiting for the movie to get over.