Karan has acted in TV serials like, "Kitni Mast Hai Zindagi", "Kasautii Zindagii Kay", "Dill Mill Gayye" and "Qubool Hai" among others.
"I was absolutely mesmerised. I was absolutely in awe of her. Yes, I was very very nervous working with her," Karan said at the music launch of the film here Monday.
"I am just happy that I was given the opportunity. I hope I can live up to everyone's expectations," he added.
Directed by Bhushan Patel, "Alone" will hit the screens Jan 16, 2015. In the film, Bipasha is playing conjoined twins.
