Hi Aspirant!
According to previous year last round cutoffs the closing rank of Chemical Engineering in NIT TRICHY is 916 and in Round 1 of CSAB special counseling is 91808.Hence it would be impossible for you to get admission through Round 7 of JoSSA but you can easily get admission in NIT TRICHY through CSAB Special counseling.

For more information you can follow up this Career360's article for more infromation:

https://engineering.careers360.com/articles/csab-special-round-for-nits-iiits-and-gftis

Check out the Career360 College Predictor to know your college admission chances based on your JEE Main Rank, Home State, Caste, Gender, etc. https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

HAPPY HUSTLING!