NIT

I would suggest you to visit josaa.nic.in
Here you would get to know all about the counselling procedure, important dates and document required.

CSE field needs knowledge about computer programming languages and computer design and many more. Civil engineering needs knowledge about engineering drawings, constructions, etc. The choice is yours. In which field are you comfortable or interested more?
According to me, CSE is better.

Here is a link that can help you:
http://www.nita.ac.in/NITAmain/departments/eceDept/eceProgrammes.html.

Please visit https://josaa.nic.in/Result/result/OpeningClosingRank.aspx
and check the previous year's OBC-NCL category of your home-state NIT first.
There, you would get an idea of your selection.
Best of luck!

Talking about best NIT Surathkal, NIT Rourkela, NIT Trichirapalli are the best NITs out there. Talking about the courses, it depends on you that which one you like the most or which one you can handle with ease. Try to choose core branch as has most job opportunities.

Hi, You can use the JEE Mains 2018 College Predictor option available on Shiksha. Com. College Predictor helps students to get an idea about the chances of admission in the college of their choice based on JEE Mains 2018 result. Please refer the link below for your reference:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor.

There are no chance of getting admission there, as of ST category the seats close within 1000 rank.

NITs are renowned institutes in India and therefore, they have more value than other colleges or institutes.

Sorry, but all NITs are mostly restricted to a CRL of below 60k at maximum. Above these, ranks are meant only for people to get eligible for Advance exam. With these, try to get into Private Universities or Colleges or Take a year drop to improve the scenarios. Thankyou.

JEE Mains 2018 College Predictor
Use your JEE Mains 2018 rank to see where you can get admission at the link provided below:
See the courses, colleges & rounds you may crack
The result is based on admissions data of JEE Mains 2017
Get resources & insights on colleges & courses
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor.