How many movies have Prakash Gupta and Sonu Nigam collaborated on?

They have worked on 4 movies together! Their first movie together was Ram Jaane (1995) while their highest rated movie together was Chori Chori Chupke Chupke (2001). They have not worked together since Shaadi Karke Phas Gaya Yaar (2006). They are most known for their drama films together.