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