Hello aspirant

Whether you will get a seat in nit trichy depends upon cutoff 2021 . Cut off varies every year and also it depends upon number of factors like number of candidates appeared and qualified in exam, difficulty level of exam, availability of seats and previous year's cut off.

However cut off Jee main for SC Category is low as compared to general category. For getting Admission to nit trichy you will have to qualify Jee main along with scoring 75% in xii board. With 80 percentile you will certainly get nit. This can be predicted depending upon previous year's cut off ie cut off 2020. Qualifying  Cut off Jee main for scheduled caste (2020) was 50 . 25 percentile.

You may check cut off for various branches of engineering in nit trichy will the help of following link

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