GANGTOK: Dr Sanjay Upreti, who risked his life to save sanitary attendant Kalawati Chettri, has lost his left leg to amputation on Thursday. The cardiologist is under the ‘highest possible medical support’ at the Neotia Hospital in Siliguri and has suffered from multi organ failure. Dr Upreti’s close aid and colleague, interventional cardiologist Dr. DP […]