Amitabh Bachchan's character in 'Piku' inspired by acclaimed actor Utpal Dutt: Shoojit Sircar
'Piku' features Bachchan as a 70-year-old widowed father and Padukone as his headstrong daughter. They embark on a road trip from Delhi to Kolkata and Irrfan Khan played Rana Chaudhary, a taxi business owner, who reluctantly agrees to drive the father-daughter duo.