Kaun Banega Crorepati returns with its ninth season.
Amitabh Bachchan has started shooting for the game show after two years.
A look at pictures from the first day's shoot:
Before the shoot, a ritual was held on the set.
Amitabh Bachchan participates in the ritual.
Bachchan tweets: 'T 2509 - KBC on !! 2 back to back rehearsals.. and then to another studio for Prathna Ki Shudhata just back ।। and now Ef Ki Shudhata.'
Later, he tweeted again: 'T 2510 - Just back from work ! and a day filled with reliving 17 years of KBC and my term with it .. 17 years !! goodness that is a lifetime.'
Bachchan first hosted KBC in 2000, and the game show has become one of the most watched shows on TV since.
Kaun Banega Crorepati Season 9 will be telecast on Sony Entertainment Television.