How many movies have Sharmishta Roy and Sonu Nigam collaborated on?

They have worked on 9 movies together! Their first movie together was Jab Pyaar Kisise Hota Hai (1998) while their highest rated movie together was Kal Ho Naa Ho (2003). They have not worked together since Veer-Zaara (2004). They are most known for their drama films together.