greetings,

nit tiruchapalli is better because of the brand name of nits. nit is an institute of national importance. go for NIT without a second thought.

if you have sufficient marks in 12th, you can go for delhi university also.

https://www.careers360.com/university/national-institute-of-technology-tiruchirappalli

https://www.careers360.com/university/banaras-hindu-university-varanasi

hope this helps

good luck

hi subhash,

you can blindly opt for IIIT Trichy.

IIT get huge fund from the government, as a result, you will get better infrasture, facalities, great faculty and lots of other benefits

you get better exposure to the various thing in IIT which will help you in your career.

hope this will help 

all the best for your future!!!