Film-maker and social activist Rahul Roy worked in the relief camps for victims of the 1984 anti-Sikh riots. It was his plea on which Justice S Muralidhar directed the Delhi police to ensure safe passage to injured victims and provide emergency treatment at government hospitals.

"If the police wants to stop a communal riot, it does not take more than four hours for them to do so," Roy tells Rediff.com's Syed Firdaus Ashraf.