Hi Nishu,

Here are some books which are generally recommended for UGAT examination :

1. Quantitative Aptitude by R.S.Agrawal and by Arun Sharma

2. Lucent's GK for general awareness

3. Word Power Made Easy New revised & Expanded edition by Norman Lewis

4. Higher Algebra by Hall, Knight

5. English Grammer & Composition by Wren & Martin

Hope you get this.

All the best !!