Here are some of the preparation books you can prefer given below:

Logical Reasoning: MK Pandey, RS Agarwall Verbal Reasoning.

English: Objective English by Pearson Publication and also Mc Grawhill Publication, Wren & Martin for English Comprehension.

General Knowlege: Manorama year book, Arihant Publication books.

Mathematics: R.S Agarwal’s Quantitative Aptitude, NCERT Books.

Legal:Universal’s CLAT Guide, A.P Bhardwaj

You can also prefer career Launcher Material which is good option for CLAT preparation.

G.K Questions:

G.K Section: For this section you should know the latest happenings of the past 12 months like Awards, international achievements, sports etc. & all about recent Updates.

Static GK: In this section the questions are asked from the section Geography, History, Science etc. For this you can prfer class 10th books.

Good Luck!