that Mamik Singh debuted in a hit film? Read more about that Mamik Singh debuted in a hit film?Add new comment Mamik whom we have seen in Ssshhh... Koi Hain made his acting debut in the hit film, Jo Jeeta Wahi Sikandar (1992) as Aamir Khan's elder brother Ratan. About Author Submitted by TellychakkarTeam on Tue, 02/02/2010 - 12:46