Bollywood actor Emraan Hashmi unveiled the trailer of his new film 'Raja Natwarlal' in Mumbai. Present at the launch were film's lead heroine Humaima Malik, villain Kay Kay, director Kunal Deshmukh and producer Siddharth Roy Kapur. Watch the grand trailer launch event in this and let us know if you like the trailer of Raja Natwarlal in the comments section below.  Show less