There is various type of examinations are conducted in the banking field 

1. IBPS PO Recruitment Exam
2. NABARD
3. IBPS Clerk Exam
4. IBPS RRB Exam
5. IBPS SO Exam
6. RBI Grade B Exam
7. RBI Assistant Exam
8. SBI PO Bank Exam
9. SBI Clerk Exam

You can prepare for any of the exams and can fill your application for all of these exams because the syllabus is almost the same for the above exams.

Hii Kishore

1.IBPS Clerk

2.IBPS PO

3.NIACL Assistant

4.RBI Grade B

5.SBI PO

6.SBI Clerk

7.IBPS SO

8.IBPS RRB

9.NABARD

So,this are the top exams one should give to get a good banking job and apart from this top exams there are many exams such as  IPPB Recruitment,IDBI PO, LIC AAO,Federal Bank Clerk/PO.