If you are aiming for CSE at NIT TRICHY and not having home state advantage then you need to score around 280 plus in JEE MAIN.

Visit the below-provided link to check the detailed cutoff rank for NIT Trichy.

Link to the page:- https://engineering.careers360.com/articles/jee-main-cutoff-for-nit-trichy  

All the very best and good luck.

As the cut off varies category, branch and home state wise as you have not stated your complete details so generally as per previous year cut off the opening rank for ME branch in NIT Trichy was 1159 and the closing rank was 11208. So plan and prepare accordingly so that you can easily get your target completed. For reference, you can go through the below link -

NIT Trichy Cut off

Hope this helps!!!