Hello Kusum. Thanks for contacting Careers360 and we hope we will be able to answer your query.
First up, congratulations for clearing JEE Mains, as you seem to be very confident. Sorry if you are just in class 11 or have just entered 12th class.
Anyways, JEE Advanced is one of the most important engineering entrance exams in the country. So, obviously the level of input you should put into your JEE preparation should be quite high if you want to enter the IITs and other premier academic institutions like the IISERs and the IIST.
I would like to direct your attention to this Careers360 article for more information about the books you can study for JEE Advanced:
Also, please see this Quora question:
Hope this helps you and all the best!
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