He has congratulated the film's cast and crew.
Directed by Homi Adajania, the English language Bollywood entertainer stars Arjun Kapoor, Deepika Padukone, Dimple Kapadia, Naseeruddin Shah and Pankaj Kapur.
"Finding Fanny...Deepika calls to the trial and it was such a delight to witness...such effortless, natural performance.
"What a delightful slice of life 'Finding Fanny'... well done Homi, NaseerS, Dimple, PankajK, Deepika and Arjun...congratulations," Big B posted Wednesday.
The 71-year-old has commenced work on a new film project himself with Vidhu Vinod Chopra and Bejoy Nambiar.