West Bengal Chief Minister Mamata Banerjee led a rally in Kolkata protesting the rape and murder of a woman doctor at RG Kar Medical College and Hospital. She is calling for justice for the victim and demanding the death penalty for the perpetrators. What this video to know is Mamata calling Mamata for 'Nyay'? #kolkatahorror #mamatabanerjee #kolkatarapemurdercase #protestor #englishnews #timesnow