Hello

Yeah you can prepare well

First of all study of NCERT books and other study materials are completed I guess so

Now refer the previous year question papers and get an idea that how to slove the any question

And also refer the some of the top reference books for more information

And also please watch the videos which are related to important concepts so that you will get the good knowledge in that particular topic for sure

Practice the concepts or some of the equations and few problems as well

So overall practice is done means you will definitely get the good marks for sure

Good luck