Mumbai, August 11 (ANI): Bollywoods serial killer Emraan Hashmi is back and this time he is back as Raja Natwarlal. The actor was spotted promoting his upcoming flick at Poddar College in Mumbai along with his leading lady Humaima Malik. On the occasion both Emraan and Humaima looked quite excited to be present at the event with their young fans. Raja Natwarlal is a crime comedy directed by Kunal Deshmukh and produced by Siddharth Roy Kapur under UTV Motion Pictures and the film is expected to release on 29th August.