Kangna: 'Comedy is a very big challenge, it requires a different approach'

Aamir Khan, Anil Kapoor, Sanjay Dutt, Riteish Deshmukh, Jaaved Jaaferi, Arshad Warsi, Kangna Ranaut, Aashish Chaudhary and director Indra Kumar at the Double Dhamaal mahurat event