Sahil, wearing what appears to be a black T-shirt and light-coloured trousers, is seen seated on the first bench in the middle of the hall. MUMBAI: A CCTV footage of IIT-Bombay student Sahil Wakode’s movements inside the examination hall on the day of his death has emerged.

It shows Sahil looking at something in his pocket before a professor approaches and questions him. 45pm on September 18, as police examine CCTV recordings to reconstruct the events preceding his death.

Sahil, wearing what appears to be a black T-shirt and light-coloured trousers, is seen seated on the first bench in the middle of the hall. He bends down and looks at something in his pocket.

A professor conducting a round subsequently approaches him and questions him. Sahil then gets up, collects his belongings and prepares to leave.

Before exiting the hall, he appears to hand something to the professor, who is outside the CCTV frame at that moment. The Mumbai Police Crime Branch is examining footage from the examination hall, campus and hostel to piece together Sahil’s movements on the day he died by suicide.

25pm. He did not step out of the room there after, an official said.

Sahil, a second-year BTech student in the Department of Energy Science and Engineering, was found dead in his hostel room later that day. The case was later transferred to the Crime Branch.

Family alleges caste-based harassmentSahil’s parents, who are from Yavatmal, have alleged caste-based harassment and institutional torture, saying their son would not have taken such an extreme step otherwise. They have sought a thorough investigation, including a CBI inquiry, and filed a case under the SC/ST Act alleging discrimination.

“I want justice for my son. Do you realise that 100 hours have passed and no action has been taken against the offenders?”

Sahil's father, Ravindra Wakode said. Police registered abetment casePowai Police registered a case of abetment of suicide against multiple people following Sahil’s death.

Police said the family had named a few people in the case. Sahil had been caught with a mobile phone during his examination on September 18.

While students alleged that he was threatened with suspension, IIT-Bombay said no disciplinary action had been initiated against him. In a statement, the institute said the matter had been discussed with Sahil by the instructor and head of the department, who counselled him and assured him that the incident would not adversely affect his academic career.