Hello student just be consistent is one of the most important tips for IIT aspirants. Solve as much question as you can competitive examination like IIT is totally based on practice the more you practice the good you score. Make daily/weekly tagert and achieve them at any cost.
Prefer NCERT to build your basic concept and make sure you do each and every example and exercise questions of Ncert before jumping to a reference book.
You can also subscribe to careers360 knockout package for preparing and qualifying the entrance examination. It offers you 100 percent money back guarantee if you do not qualify.
Refer to the link mentioned below for more information - https://learn.careers360.com/knockout-jee-main-april/
Feel free to comment if you have any doubt
Good luck
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