Hi Biswajit

Getting free mock tests online is a very simple task nowadays. You don't have to struggle on streets to get a book.

For CLAT mock tests, you can go here and start your tests.

https://law.careers360.com/articles/clat-mock-test

And for AILET mock tests, you can go through this link and start your tests.

https://law.careers360.com/articles/ailet

Hope this helps!