Hello Aspirant

As you want to prepare for CAT, so in current situation offline classes aren't possible, so for online classes unacademy is a good platform, also you can take some demo lectures on various online portal available.

Also it totally depends upon your self study level, coaching just clear your basics, next is all your hard work.

Get books of different authors and solve them.

To know more detailed information about preparation for CAT, you can visit the following link:-

https://bschool.careers360.com/articles/how-prepare-for-cat

I hope this information would be helpful for you.

All the best for your bright career ahead