Deepika Padukone, who will be seen sharing the screen space with megastar Amitabh Bachchan in 'Piku' says their chemistry in the film is 'very organic'.

'Piku'

"In the years I have known Amitji outside work, our chemistry came to us very naturally. I remember theem mentioning that I remind them of their daughter and they are also very protective about me. Our chemistry in the film is very organic," Deepika told reports during the film's trailer launch.