Hello Tauqeer
Good branches like cse ee mech civil chemical closes at 1.7k for IITB and IITD
For IITK IITM IITKGP good branches closes around 2.7k
For IITR IITG cutoffs can go upto 4.2k.
FINAL VERDICT 3k-4k would be good enough to get into old IITs .
All the best!!
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile