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 !!