Follow these steps this will help you to get a decent rank in jee mains
1.see the syllabus of jee mains
2. prepare the topics from the syllabus through ncert previous year question papers and also take modules from vmc and narayana for preparations
3. you can give online test on embibe website and analysise your score
4. you have to try to understand short tricks to solve the question fast
5. prepare a separate notebook for imp formulas and do regular revision of it
i think if you follow these steps this would be sufficient for you to get a good rank in jee
rest for study materials
for physics -hc verma and i.e iridov
for chem-solomon
for maths-rd sharma and modules of coaching centers
youtube channels
for phy -pradeep khetrapal is the best