How Is it Possible No one Knows About the reason of Sucide

Not part Of IIT KGP, mods pls don't remove it pls . How No one in entire college knows about 2 back to back sucide cases and their exact reason , like not even the room mate And No one knows about the staff guy ? Don't you think its really really strange as There Religion particularly prohibits the practice of committing suc... And it's rare to see any one from thier community doing it ? Are thing Like RG kar happening in KGP as well ? The TMC effect if yes please tell me I was Thinking of Giving WBJEE but won't even think about it if it is the case In whole WB why anyone don't know the exact reason of his Sucide or The staff guy sucide?? Also Any advice from Senior for the mistakes in college ( maybe any prvt college or T3 ) that I should avoid jo that I don't land In any situation like this for ex. Drug and $ex racket etc ,