How many movies have Ajay Devgn and Ashwni Dhir collaborated on?

They have worked on 4 movies together! Their first movie together was U Me Aur Hum (2008) while their highest rated movie together was Atithi Tum Kab Jaoge? (2010). They have not worked together since Guest iin London (2017). They are most known for their comedy films together.