The 39-year-old plays the role of a husband in distress whose wife - played by Vidya Balan - makes his life confusing.
The trailer was released Oct 28 and has got 1,216,223 hits on YouTube so far.
"Post the launch of the trailer, Farhan has been inundated with calls and messages expressing appreciation," said Farhan's spokesperson.
Directed by Saket Chaudhary, the film is a sequel to the 2006 hit movie "Pyaar Ke Side Effects" that starred Mallika Sherawat and Rahul Bose as a couple.