YES ! YOU SURE CAN !!!
I won’t waste much of your time and try to make this answer as short as possible.
You have already scored 415 . This means you are halfway there and can definitely get a Government College in 2021 .
4 months is a good time period if you use it judiciously and do hardwork.
Things you can do to reach your target of 650+ :—
- Keep reading bio ncert again and again . Bio is the subject that helps to get selected . Every detail and line in ncert matters.
- Practice and revise diagrams.
- Read ncert summary of all chaps.
- Do previous year ques from chapters like Genetics , morphology , anatomy , Animal kingdom. These chapters will give you advantage over other candidates
- When it comes to chemistry stick to ncert . This year all the paper was from ncert
- Inorganic — just do ncert and the back exercise for ques .