Is solving pyqs in last 2 months of 1st attempt of JEE mains enough to get 99.9 percentile

It's not enough to get 99 percentile in JEE mains.

1)Please solve more number of previous papers.
2)Solve more number of NCERT based questions.
3)For chemistry,firstly read ncert chemistry textbook(hc verma).It is very important and read line to line in that textbook.They give most of chemistry questions from ncert.
4)solve different models of problems.
5)please cover all the topics in given syllabus.In one question they mix three or four topics.for example:
If a question given from matrices,they mixed the question with different topic like trigonometry, functions.
6)first understand the subject and practice lot of different model problems.
ALL THE BEST.