Singer-turned-politician Babul Supriyo on Monday asked for a ban on Pakistani artists and said singer Rahat Fateh Ali Khan’s voice in a song in a forthcoming Bollywood film 'Welcome To New York', should be removed and dubbed by someone else. Besides Supriyo, several other big names from Bollywood have raised their voice against those artists following India's freshly strained relations with Pakistan. Watch News Nation's special show Question Hour to know more details regarding the same.