Dear candidate, you are eligible for many branches in NIT Trichy at this percentile if you are from home state. Cut off in 2020 for NIT Trichy for EWS(Male) of Tamil Nadu region was:

Chemical Engineering                                             48604

Computer Science Engineering                             7770

Civil Engineering                                                       72019

Electronics and Communication Engineering     17948

Mechanical Engineering                                          18752

Metallurgy                                                                  35659

Electrical and Electronics Engineering                   17948

Production Engineering                                           50657

Instrumentation and Control  Engineering           35039

For more information, you can check:

https://engineering.careers360.com/articles/jee-main-cutoff-for-nit-trichy

Your EWS rank will be around 20000. So, you can easily get Chemical, Civil, Metallurgy, Production and Instrumentation and Control Engineering branches.

Hope, it helps!