Hii Suraj!
Some of the books which you can refer for BA LLB Entrance Examination commonly known as CLAT are the once containing follows topics-
General knowledge, current affairs, legal aptitude, general science, English, basic mathematics, logical and analytical reasoning etc., Some such books are-
* Study package for CLAT and LLB- A P Bhardwaj
* Universal Guide to CLAT and LLB Entrance Examination
* Compulsory English for civil and judicial service
Etc.,
Hope this helps.
Good luck!