Never-seen-before scenes unfolded in Kolkata on Sunday with the supporters of fiercest rivals East Bengal football club and Mohun Bagan joining forces to demand justice for a trainee doctor raped and murdered in the state-run RG Kar Medical College and Hospital — a crime that has shocked the nation and triggered massive protests, including from the influential medical fraternity.
Never-heard-before slogans of unity reverberated around the…