According to your rank and category you have no chances of getting seat in NIT Rourkela.

As according to the cut-off trend of 2021 :

Integrated B.Sc. + M.Sc. in Mathematics - 22660 (last round)

B.Tech. in Food Process Engineering  - 29245 (1st round)

B.Tech. in Biomedical Engineering  - 23024 (1st round)

for  more details follow the below link :

Hello Manoj. You mentioned you have secured AIR 171987 in JEE Main 2021 but you didn't mention your caste. So, I assume you belong to General category. Your profile says you come from Odisha, hence you will be categorized under Home State quota.

Based on this rank and as per previous years' cutoff trend, it is less likely for you to get admission to core streams at NIT, Rourkela.

In the list given below, I have mentioned JEE Main 2020 Cutoff AIR prescribed for various core streams for Home State, General candidates at NIT Rourkela.

1. B.Tech Chemical Engineering -  30269
2. B.Tech Civil Engineering - 32420
3. B.Tech Computer Science and Engineering - 3528
4. B.Tech Electrical Engineering - 16453
5. B.Tech Electronics and Communication Engineering - 12760
6. B.Tech Electronics and Instrumentation Engineering - 23106
7. B.Tech Mechanical Engineering - 24440
8. B.Tech Metallurgical and Materials Engineering - 41968

If you want to get a detailed picture of the cutoff trends in NIT Rourkela, then check out this page:

https://www.careers360.com/university/national-institute-of-technology-rourkela/cut-off

If you want to know more about cutoff details of NITs based on previous years' data, check out this page:

https://engineering.careers360.com/articles/jee-main-cutoff-for-top-nits

You can also check out more details about JEE Main 2021 cutoffs from the link of the article given below:

https://engineering.careers360.com/articles/jee-main-cutoff

To get a detailed personalized report on your eligibility in various colleges based on your performance in JEE Main, I encourage you to use JEE Main 2021 College Predictor:

https://engineering.careers360.com/jee-main-college-predictor?utm_source=qna&utm_medium=jee_cp

I hope this information is enough to answer your query. I wish you all the best for your future and career.

Thank you.