Kolkata, Jan 06 (ANI): Taxi drivers in Kolkata staged protest demanding action against the double gang-rape and murder of a 16-year-old. Irate taxi drivers shouted slogans against the state government as they marched in a procession to register their anger and anguish at the gruesome incident. The girl was allegedly gang-raped twice in October and after two months of torment by the families of the perpetrators, she was murdered, according to police. Meanwhile, another protest rally was staged in the city on Sunday, by supporters of Aam Aadmi Party (AAP) demanding security to be enhanced for women.