Hello Vyshnavi,

First of all congratulations for clearing your intermediate exam

but if you are in general category then with 73 percentile in jee you are not eligible for NIT's

but don't worry because Sastra University is a very reputed college's in India and you can check the cut-offs by visiting the link below:-

Https://university.careers360.com/colleges/sastra-university-thanjavur

All the best!