'KBC 12' Promo: Big B Has The Perfect Answer For Every "Setback"

"Jo bhi ho, setback ka jawaab comeback se do,"Amitabh Bachchan says in the promo

source https://www.ndtv.com/entertainment/kaun-banega-crorepati-12-promo-amitabh-bachchan-has-the-perfect-answer-for-every-setback-2287540