Here I am giving you preparation tips for reserve bank of India assistant examination below :

Start studies as soon as possible. First of all you must know complete syllabus and exam pattern of RBI Assistant Exam.
Then you have to give more attention for important topics of RBI Assistant examination. You have to make notes for important topics of RBI Assistant Exam and revised them regularly.

For better preparation you have to solve the previous year question paper of RBI Assistant Exam or you can buy books for it

Exam pattern :
Name of Tests (Objective) No of Questions
General Awareness 40
Computer knowledge 40
English 40
Maths 40
Reasoning 40
Total 200