Mathematics

You have a good rank you can get one of the best IITs with this. For the relevant information, you can visit this link:
https://www.shiksha.com/science/articles/colleges-accepting-iit-jam-scores-ranks-for-admission-blogId-13971

Hello,
Yes, if you are interested in M.Sc Mathematics in IISER College, then definitely you can apply for that.

Hi Kritika,
If you had maths as a subject then you can go for BA in mathematics but along with the maths subjects you have to study other science subjects also.

Yes, you certainly can apply for M.Sc a year late without any issue. You could be asked to produce a document stating reason for gap in academics.

Cut-off Marks would be somewhere around 130 for ST category students in the University of Hyderabad for M.Sc. Mathematics.

Reva University
The Oxford College of Science
Christ University
AIMS Institutes
ASB - Amrita School Of Engineering Bengaluru
To see the course related details, please click the link- https://www.shiksha.com/science/colleges/m-sc-colleges-bangalore.

Since you were preparing for ISI, I assume that you are good in Mathematics. If you want to get a strong mathematical background before pursuing Masters in Mathematics, I can recommend you following institutions to apply.
1. ISI
2. CMI
3. IISc and IISER (especially Pune is well known for mathematics)
4. IITs
5. St. Xavier's College, Kolkata
6. St. Stephen's College, Delhi
7. RKM Vidyamandira, Belur
8. RKM residential College, Narendrapur
9. Presidency University, Kolkata
10. Jadavpur University, Kolkata.

Yes, you are eligible for UGC NET.