JEE Main is more of a strategy than harkwork. Instead of starting a new Text now before the Exam, you must get accustomed with JEE Main Previous Years, correct your Test Taking strategy and consider a routined preparation for yourself. If youve not yet started HC Verma or RD Sharma, dont start it now, its too late for the remaining attempts. First, you must be thorough with your NCERT Books, followed by practising sample and previous years for JEE Main and analyzing the Detailed Solutions. Some of the other crucial materials, I believe you must refer before remaining JEE Main Attempts are

1. Physics, Chemistry Arihant Handbook

2. Allen Mathematics Handbook (PDF Available)

3. Resonance JEE Main Rank Booster (PCM)

For more information and JEE Main 1 Month Preparation Time Table do follow the link below

https://engineering.careers360.com/articles/jee-main-preparation-time-table-for-1-month/amp