How many movies have Arijit Singh and Siddharth Dubey collaborated on?

They have worked on 4 movies together! Their first movie together was Aashiqui 2 (2013) while their highest rated movie together was Goliyon Ki Raasleela Ram-Leela (2013). They have not worked together since Heropanti (2014). They are most known for their romance films together.