I always wondered about this subject and though that I could ever clear one of these exams. And to be honest I had cleared only IBPS PO. Initially I failed 2-3 times, then I made it.
IBPS PO (CWE PO/MT)
SBI PO (Most toughest according to me)
SBI SO
SBI Clerk
IBPS Clerk (CWE Clerical)
RRB IBPS (CWE RRB)
NABARD
Some toughest among them
SBI PO
SBI SO
IBPS PO
