KOLKATA, Nov. 10 -- A 28-year-old post-graduate medical student posted as house staff at the state government-run NRS Medical College and Hospital in Kolkata was found dead on Monday in his room at a private hostel in the metro's eastern fringes, police said. "The doctor's body was found hanging when police broke into the room after being informed by the owner of the private hostel at Nagerbazar. A suicide note was found at the spot. The body has been sent for post-mortem examination," a city police officer said, requesting anonymity.. "Preliminary investigation, statements by his colleagues and, most importantly, his social media messages indicate that he was under severe mental stress which, apparently, had something to do with a family-related matter," the police officer said. A relative, who arrived at NRS Hospital on Monday, told reporters that he suspected murder....