Hello,

If you are visionary disable candidate then you are under PWD category. You can give the JEE advanced examination for mathematics course in good college like IISER or niser etc. For this course you have to get minimum 10000 rank then you can get chance to admission there.

Just keep practicing and give mocktest. Start practicing the previous year question papers. You can pass the examination. I'll provide you a link below you can check it for more details about the mocktest

https://engineering.careers360.com/articles/jee-advanced-mock-test

All the best.