Mamta Kulkarni, in a chat with India TV, shared that Shah Rukh Khan and Salman Khan sniggered at her during the filming of 'Karan Arjun'. She also shared that Salman once shut the door on her face. "Salman is very naughty. I'm very punctual. He would always tease me and I would be like, 'Shut up Salman'," Mamta further said.