Hii..
There are mainly 8 vacancies came out in A year in PSU banking sector
1-SBI PO
2-SBI Clerk
3-IBPS PO
4-IBPS clerk
5-RRB PO
6-RRB clerk
7-RBI assistant
8-RBI Grade B.
Each exams have Minimum 2 stages
1st is priliem Exam & 2nd is mains exam.
For Prilims There is 3 subject Mathamatics,LR & Verble Reasoning..After clearing Prelims You have To prepare currnt affairs For Mains Exam..
& In clerk There is No interview
IN PO post You have to clear Written exam & PO for Getting Job..