"It's an absolute dynamite. He (Arjun) cracks me up all day. He is my favourite co-star to work with. There is serious bromance. He has got an amazing sense of humour, which is the one virtue of his I appreciate the most," said Ranveer at a media conference here Tuesday.
The actor, who shot to fame with his debut film "Band Baaja Baaraat" in 2010, was in the city to shoot "Gunday", an action-drama-cum-romance written and directed by Ali Abbas Zafar and produced by Aditya Chopra.