Presenting The Majnu Side of Agent Vinod.br Catch him showing his funny side with Pungi song. This song is sung by mika singh, amitabh bhattacharya, nakash, pritam while lyrics are penned by amitabh bhattacharya. Agent Vinod is the upcoming bollywood action - thriller flick starring Saif Ali Khan, Kareena Kapoor in lead roles.