I cannot provide or link to copyrighted PDFs. But here is legitimate advice:
Ensure you are using a recent edition, as JEE exam patterns evolve. The 7th Edition (2011) remains a popular choice, though newer versions may exist. problem plus in iit mathematics a das gupta pdf top
The book does not throw students into the deep end immediately. It systematically builds momentum: I cannot provide or link to copyrighted PDFs
: Includes short-answer, long-answer, and objective questions, as well as multiple-choice questions where more than one option may be correct. and objective questions