Dear Aspirant,
Congratulations for cracking the Joint Entrance Examination ( Main).
You have interest in mechanical engineering branch.
You have interest in National institute of Technologies also. You gives importance in the quality of faculty members of national institute of Technologies.
Don't worry. I will help you.
The top ten national institute of Technologies with the view of good faculty members are listed below:

• National institute of technology, Trichy
• National institute of technology, Allahabad
• National institute of technology, Warangal
• National institute of technology, Delhi
• National institute of technology, Durgapur
• National institute of technology, Suratkal
• National institute of technology, Surat
• National institute of technology, Manipur
• National institute of technology, Kashmir
• National institute of technology, Silchar

This is my point of view.
The list is written with the help of ratings of various educational websites and Teacher's review.
Best of luck.

Hello Pk

As per my knowledge NIT Warangal, NIT Trichy and NIT Surathkal etc doing Mechanical Engineering for any top and old NITs have same credential will fetch you to your desired goal .And stop worrying about College if get any Old NITs then all are equivalent if you believe in yourself .

More about mechanical Engineering check out https://www.careers360.com/mechanical-engineering-course

Good Luck!