IIIT

Depends on your score and for MS mainly on your practical and interviewing skills. If you are passionate about the course you want to get into talk to the professors there you have to propose what project you want to work in the field in the application process so think it through. All the best.

Based on the JEE Main rank you obtained, the NIT, IIIT are difficult to get. The fwe probability can be developed in the following GFTIs.
1. National Institute of Electronics and Information Technology, Aurangabad
2. SLIET Sangrur
3. Gurukula Kangri Vishwavidyalaya, Haridwar
4. Guru Ghasidas Vishwavidyalaya, Bilaspur.

CSE branch is like hot cake. Every ranker mostly wants to join CSE. If they got high rank also they will get in to low rank colleges for CSE branch. Up to last year level minimum requirement is 96-99 percentile and it varies. If you have any EWC Certificate then you can get with 93 percentile also.

Your JEE Main rank is not enough for getting IIITs, The JEE Main category ranks below 8000 can be safe for getting IIITs under the asked category.

Based on the JEE Main percentile you obtained, chances for getting IIITs are very less under the asked category. You need to score above 92 percentile for getting IIITs.