IBNLive | Nobody can replace Sunil as Gutthi: Upasana Singh IBNLive Mumbai: Actress Upasana Singh, who plays the popular character of "bua" (paternal aunt) on 'Comedy Nights With Kapil', says nobody can replace Sunil Grover as Gutthi on the show. The show is aired on Colors TV. "Nobody else other than Sunil (Grover) ... |