Hello Sambeet

The cutoff varies every year from college to college depending on many factors such as the difficulty level of the exam, number of candidates appearing in the exam, etc.

I can provide you the previous year cutoff of NIT Rourkeka for reference.
Cutoff for admission to Computer Science Engineering branch in NIT Rourkela for Open Category for Home state candidate was as follows-
Opening Rank: 4209
Closing Rank: 8524

You can go through the link below to check the previous year cutoff.

https://josaa.nic.in/webinfocms/Handler/FileHandler.ashx?i=File&ii=139&iii=Y

Also, JEE Main scores has been declared by NTA and you might have checked your results too. You can use the Rank predictor tool to check yout expected rankbased on your percentile and then you can have an idea about your chances in NIT Rourkela

https://engineering.careers360.com/jee-main-rank-predictor

Do let us know if you have any other query.
Good Luck!