How many movies have Irrfan Khan and Tigmanshu Dhulia collaborated on?

They have worked on 5 movies together! Their first movie together was Ek Shaam Ki Mulakaat (2000) while their highest rated movie together was Paan Singh Tomar (2012). They have not worked together since Saheb Biwi Aur Gangster Returns (2013). They are most known for their drama films together.