Hello Thanakanti,

First of all, please do not think that coaching is absolutely necessary, else you will start relying on it completely.

Secondly, the time of coaching depends on how much you can retain and how quickly you can grasp. This varies according to people.

The only need to join coaching would be the consistency of routine and mocks. You might want to give mocks as early as possible, say from the month of May.

And be consistent with that. Your performance in the early mocks will decide the time you would want to join the classroom sessions. Please decide accordingly. If you want to start everything from scratch according to how they teach, start from May. If you are on an intermediate level, you can afford to start from, say, the onth of August.

Hope this helps.