IIIT

Hello Vaibhav, you have not mentioned your percentile but I am sure you know it and also know that it is above the cut off level. Your ranking in SC category is quite good. With this ranking, I am sure you should get a good NIT and a good branch. To help you I am attaching a link that can predict the branch and the college that you can get based on your performance in JEE Mains.
https://www.shiksha.com/engineering/jee-main-college-predictor
Best wishes to you.

Is one supposed to apply on both the platforms? The basic difference is that once JoSAA completes its process of admissions for IITs, NITs and other colleges, CSAB conducts some special rounds (generally 2 rounds) to fill up the vacant seats of NITs, IIITs and other colleges (not for IITs).

Hello,
According to your mentioned rank, you have high chances of getting CSE or ECE at NIT Meghalaya, NIT Arunachal Pradesh, NIT Delhi, NIT Goa and other core branches at the old NITs. You can use the college predictor tool available on our website to predict which colleges you can get.