Mumbai, Oct. 25 -- A childhood memory of Diwali crackers had the Ramayana stars laughing on the sets of Kaun Banega Crorepati as Amitabh Bachchan shared a funny story from his younger days.

Actors Ranbir Kapoor, Sai Pallavi and Ravi Dubey joined the megastar for a special Diwali episode of the quiz show while promoting their upcoming film 'Ramayana.'

During the interaction, Ranbir asked Bachchan about his childhood memories of Diwali and how he celebrated the festival back then.

Responding to the question, the veteran actor recalled how children would compete to make sure their firecrackers were louder than those of their neighbours.

"Sir, Diwali ki keval yahi yaad rehti thi, ki agar bagal wale ke yahan bomb phata hai, toh hamara bomb...