Hi Ashuroah,

As per previous year cutoffs with a rank of 75500,you can get the following NITs with your preferred branches;

• National Institute of Technology, Agartala (Mechanical Engineering)
• National Institute of Technology, Goa (Mechanical Engineering)
• National Institute of Technology, Hamirpur (Mechanical Engineering)
• National Institute of Technology, Meghalaya (Mechanical Engineering)

I am putting you the links for previous year cutoffs:

• CSE:https://engineering.careers360.com/articles/nits-cutoff-for-btech-computer-science-engineering
• Mechanical Engineerning:https://engineering.careers360.com/articles/nits-cutoff-for-btech-mechanical-engineering

Hope it helps