Sony Entertainment Television’s (SET) iconic show Kaun Banega Crorepati (KBC) is all set to return today with its eleventh season. The channel already has nine sponsors in place for the game show hosted by Amitabh Bachchan. Oppo Reno is the presenting sponsor while IDFC, First Bank, LIC, CEAT, Cardekho.com, Asian Paints, Ultratech and Amity are the associated sponsors. The channel has already sold nearly 75-80 per cent inventories, leaving the rest for spot-buying. KBC11 starts today: 80% ad inventory sold; rates expected to go up around Diwali