"Let me sleep," was all that the suicide note, found in his room, said.
While police sent Nidhin N's body for post-mortem, the institute authorities declined to comment.
They went up to his room, but the door was shut from inside and Nidhin reportedly did not respond.
In simple sense, it is an integrated ciruit for serial transmission based on communication protocols such as RS-232.
Serial communication can be either in synchronous mode or in asynchronous mode.
When he did not appear even on Friday, the hostel authorities were alerted.
Some of the students broke Nidhin's room's window panes to find him hanging from the ceiling.