He was a student of St. Xavier's College, Kolkata, in the second year of B.Sc. Computer Science Honours. I didn't know him very well.
I do not wish to elaborate. If you have an insatiable urge to know more, go here.
It is so easy, so very simple, to say "may he rest in peace". A generic phrase for A Generic Death (that is what it is for most of us) - just another statistic for the highways.
Soon, we shall all forget, and Abhishek will not touch our lives again, save in memory.
I cannot offer him much, for he no longer needs the things we can give him.