Hello Aspirant, hope you are doing good.

So, your preparatory rank for IIT is good enough, so you can get preparatory courses like CSE in some of the IITs like IIT kharagpur, IIT bhubaneswar, IIT jodhpur, and you can get subjects like Mechanical, ECE in some of the old IITs like IIT Bombay, IIT Delhi.

You can use our college predictor for more details

https://engineering.careers360.com/jee-advanced-college-predictor?icn=QnA&ici=qna_answer

Hope this helps you. Good luck!