Hi,

No one can tell you 100% success Mantra. But there are some things if you follow them ,then you will sure get good Rank JEE Mains. Some of those are:

1) Do not ignore NCERT for JEE Mains. A lot of Question specially in Chemistry comes from NCERT.

2) Always go through previous year papers as they gives you idea about how the question is asked in JEE Mains.

3) Some Topics are easy while some are difficult. You have to make sure that you don't miss marks in easy topics.

If you follow above steps ,then sure you will get good rank in JEE Mains.

Thanks!!!!