Ayush Rajouria, a second-year BS-MS student at IIT Roorkee in Uttarakhand, died under suspicious circumstances on Thursday midnight. Ayush, a native of Ghaziabad, was found lying unconscious in the Govind Bhawan hostel. Officials said he was undergoing counselling at the campus wellness centre and a letter mentioning depression was found at the scene. The management has announced that 70 exams scheduled for November 13 will be postponed to November 22 in the wake of the incident. The police have registered a case and are investigating.