Hello Rajashekaran

You can ask questions here and we are here to helps you.

For NEET you can join a coaching centre or you can get books or guides for NEET, you can take participate in mock exams for NEET, you can solve previous year question papers to improve.

You can divide your syllabus into what you know and what you are weak and then you can study to make those areas stronger too

I hope it helps