How many movies have Karan Johar and Sajjan Choudhary collaborated on?

They have worked on 5 movies together! Their first movie together was Dil To Pagal Hai (1997) while their highest rated movie together was Kabhi Khushi Kabhie Gham (2001). They have not worked together since Veer-Zaara (2004). They are most known for their drama films together.