Who knew that the iconic song Khaike Paan Banaras Wala was not supposed to be a part of Amitabh Bachchan starrer Don. In a tweet on Wednesday, he went down the memory lane and confirmed that the song was shot after Don was completed.

Big B tweeted, "An after thought, that became THE thought .. song 'khaike paan banaras wala' was done after film DON was completed."