How many movies have Gulshan Grover and Nadeem Akhtar Saifi collaborated on?

They have worked on 5 movies together! Their first movie together was Baap Numbri Beta Dus Numbri (1990) while their highest rated movie together was Dilwale (1994). They have not worked together since Mere Jeevan Saathi (2006). They are most known for their romance films together.