There are various books available in the market which you can follow for your preparation.I am mentioning name of some books you can follow ,namely:

1.QUANTITATIVE:
(a)Quantitative Aptitude for Competitive Examination by RS Aggarwal
(b)Magical Book on Quicker Maths by M Tyra

2.REASONING:
(a)A Modern Approach to Verbal & Non-Verbal Reasoning by RS Aggarwal
(b)Analytical Reasoning by MK Pandey

3.ENGLISH:
(a)A Mirror of Common Errors by Ashok Kumar Singh
(b)High School English Grammar and Composition by Wren & Martin

4.BANKING AWARENESS:
(a)Guide to Banking General Awareness & Banking Aptitude Test by RPH Editorial Board

5.COMPUTER:
(a)Lucent's Computer by Rani Ahilya

Please tell which particular banking exam you are preparing for?