By Subhash K. Jha
Mumbai, Aug 9 (IANS) Bollywood megastar Amitabh Bachchan, who is all set to host the fourth season of the popular game show "Kaun Banega Crorepati" (KBC) on Sony, says the small screen is not only the "most challenging format", it is a "lot tougher" as well.
"I have never minded exploring fresh avenues. I think it (TV) is a most challenging format and a lot tougher. Tougher because there are no set lines. Most of it is impromptu and on the spur of the moment. For people like me, who are accustomed to pre- written dialogues, it then does become challenging," said Big B who hosted "Bigg Boss" for Colors last year.
The new season of KBC is expected to go on air on Amitabh's birthda