My lot are orignally from Rohtak, (they would love to speak like Lukhnawis!!!), and I can tell from personal experience, that the Shaukat administration tried there hardest to keep the Ambala Division refugees (non-Punjabis like Meos etc from East Punjab) out of the province. Sarah Ansari has written quite a bit on this. But lets not get stuck in history.
I am pretty sure that there are no quotas in the premier institutions in India. May be Queer, Punjabee, Bitto e.t.c can confirm it, but I am sure the IITs are exempt.