hey,

to qualify the following exam you need to prepare following topics  that are english language and compression, general knowledge, verbal and non verbal reasoning, fundamental mathematics ,current affairs, general science.data analysis and interpretation, maths etc

the books are listed below from where you can make yourself prepare for tat

1. data interpretation - RS aggrawal , kiran publication

2. math - kiran publication

3. reasoning - R.S aggrawal , CAT prep book

4. english - kiran publication , arihant publication

5. computers - arihant publication , previous year questions

good luck!