Considering you as a Other State Candidate from OBC Category, the following Cutoff OBC Ranks were required last year for securing a seat in EEE.

MNNIT Allahabad 3.7k

NIT Trichy 1.7k

NIT Calicut 3.7k

Hence, for NIT Trichy EEE, you need to target atleast a OBC Rank of 1.7-1.8k or a Corresponding CRL anywhere around 7-9k, and target securing anywhere around 60-70% of the Total Score 180-210/300.

As far as MNNIT Allahabad and NIT Calicut are concerned, you need to secure atleast OBC Rank 3.7k, and a Corresponding CRL anywhere around 17-19k, and a Target score anywhere around 160+/300.

For more information about NIT Cutoffs do follow the link below

https://engineering.careers360.com/articles/jee-main-cutoff-for-top-nits/amp