Congrats on your JEE Advanced ranks! With an OBC-NCL rank of 2500 and open rank of 8500, you have qualified JEE Advanced. Your intermediate marks (81% first year, 74.8% second year) meet the minimum eligibility criteria for JoSAA counseling, which usually requires at least 75% in 12th or equivalent. So yes, you are eligible to participate in JoSAA counseling for IITs. Make sure to register on the official JoSAA website and choose your preferred colleges and branches carefully. Good luck!

HEY THERE!!!

Based on your provided details, you fully satisfy the eligibility criteria for JoSAA counselling and IIT admission.

To elaborate:

- Your JEE Advanced OBC-NCL rank is 2500, which is comfortably within the qualifying range.

- Your open rank is 8500, also acceptable.

- You have scored 81% overall in your Class 12 examinations, which is well above the minimum requirement of 65% for the OBC-NCL category.

Please note, IITs consider the aggregate percentage across all subjects in Class 12, not just the second-year marks. In this regard, your 81% aggregate is more than sufficient.

Additional criteria include:

- Successful completion of Class 12 (or equivalent) with Physics, Chemistry, and Mathematics in 2024 or 2025.

- Being among the top 2,50,000 candidates in JEE Main, which your JEE Advanced rank affirms.

Assuming you have met all other procedural requirements, you are clearly eligible for JoSAA counselling and IIT admission.