Cousins, Kajol and Ayan Mukherji, on the Koffee couch on Koffee with Karan Season 4. Karan Johar takes the credit of mentoring Ayan Mukherji. Ayan Mukherji admits to his friendship with Ranbir Kapoor! Watch Ayan and Kajol give very intelligent answers to Karan's rapid fire questions! To know more keep watching Koffee With Karan...