Hi

hope you doing well

It will depend more on your category rank, your chances of getting into NIT Durgapur or other NITs/IIITs with a JEE Mains percentile of 78, it will depend on the specific cutoffs for those institutions in the current admission cycle.

Typically, NITs have varying cutoffs for different branches and categories. For SC candidates, the cutoffs tend to be lower than for the general category, but they can still vary significantly.

As of the most recent admission cycles, the closing ranks for various branches for the SC category were generally around:

• Computer Science and Engineering: Around 5000-6000
• Electronics and Communication Engineering: Around 7000-8000
• Mechanical Engineering: Around 9000-11000
• Civil Engineering: Around 12000-14000

you may also see on your side what cutoff are for this year

You can also refer to this link for better analysis:

JEE College Predictor

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

Best wishes.