Megastar Chiranjeevi, who is busy shooting for his 150th film "Khaidi No 150", will replace actor Nagarjuna as the host of television show "Meelo Evaru Koteeswarudu" -- the Telugu version of "Kaun Banega Crorepati"."Chiranjeevi sir has agreed to host the third season of 'Meelo Evaru Koteeswarudu', and will start shooting from later this month. They'll shoot a few episodes this month and the remaining in October," a source close to the star told IANS.Asked if the 61-year-old will host the next season too, he said: "It depends on various factors, like the response to the third season. It can't be said with certainty at the moment that he will continue to host." Nagarjuna, who hosted the first two seasons of the show, is busy shooting for Telugu mythological drama "Om Namo Venkatesaya".