just clear ur basic concepts and try to practice as much as questions u can do..Finally practice makes the man perfect..even if u are weak ..lot of practice cn help u.
Focus mainly on topics sch as..DATA INTERPRETATION,PERCENTAGE
This topic is basically easy.
Focus mainly on WORD PUZZLE AND SITTING ARRANGEMENT.
practice more on this.
Read English newspaper sch as..
This will improve ur reading ability and understanding.
Start solving unseen passage and Cloze tests.
Clear Basic concepts on computer.
Though this section is not so tough..
Study INTERNET AND NETWORKING topic properly..lot of questions are asked on this topic.
For this read news paper .
Follow websites such as Jagranjosh.com
Nowadays pattern is like-
25-28 questions on Current issues , &
12-15 questions on Banking awareness.
Study well , keep an eye on current issues and this section will become easy for u.