Checkout Irrfan Khan, Deepika Padukone, Amitabh Bachchan and director Shoojit Sircar shooting for their film 'Piku'.

The film's shooting has been happening in Calcutta.

For 'Piku', Big B said to have learnt to play Sitar, while Deepika has learnt to speak Bengali.

Piku` is a roller coaster ride of a crazy father-daughter relationship essayed by Amitabh Bachchan and Deepika Padukone with Irrfan Khan top lining the cast, in a pivotal author backed role.

Piku` also marks coming together of Shoojit Sircar, Ronnie Lahiri and Juhi Chaturvedi, the team that had scripted Vicky Donor.

Produced by MSM Motion Pictures, in association with Saraswati Entertainment Creations Limited and Rising Sun Films, 'Piku' will release worldwide on April 30, 2015.

Checkout Irrfan Khan, Deepika Padukone, Amitabh Bachchan and director Shoojit Sircar shooting for their film 'Piku'.