Ragging at Indian B schools.

I recently came across some articles.

https://medium.com/@srikanthp2019/the-intentionally-hidden-truths-of-iim-calcutta-3fc36cfd7e30

https://www.reddit.com/r/CATpreparation/s/JZm34iaRt2

Does ragging of such scale where the seniors time and again disrespect the juniors and humiliate them really happens at top B-Schools( i m talking about IIM A,B,C,L,K,I, FMS, XLRI etc) l.

I am from one of an old IIT and haven't faced any ragging or harrasment from seniors over here apart from the freshers party where the seniors themselves told that if you are not comfortable then you can leave. Not one incident after that. Instead it has been a total opposite scenario and the seniors are too helpful here in a variety of ways. I have friends in IIT Bombay, Kanpur and Delhi and they too told me the same thing.

I was very surprised and astonished when I found out that kids age 18 years old aren't engaged in ragging at IITs but adults age 23 years+ doing their MBAs are doing the same at IIMs.

PS: I plan to pursue an MBA from an IIM in the future but such incidents are a big turn off for me hence I wanted to know the reality.