HOW TO GET 90+ IN CHEMISTRY IN 10 DAYS!!!!

So in Jan attempt i got 87.7 percentile.

Maths- 97.3 , Physics- 86.6 , Chemistry-58.3

I was never serious in Chem, didnt even revise it for mains.

Pleae anyone with good knowledge. Guide me to score 91-92 percentile in Chem.

You can give any general advice as well, i wanna score 94-95 percentile overalll in April is it even possible?