Exam

Well to be honest I don't think so .
You can get CSE with this rank until and unless you have some special quota of ST.

Hello Harika, you have not mentioned as to the state to which you belong. Meaning Telangana or Andhra Pradesh. I am assuming it to be Telangana. Hence I am attaching a link that will predict the branch and the college that you can get based on your performance in this exam. https://www.shiksha.com/engineering/ts-eamcet-college-predictor
Best wishes to you.

Hello Abhishek Kumar, no. Please read the circular issued by the IIT conducting JEE Advanced this year. They have given clear cut instructions as to what should be done by students about uploading of Certificate. Best wishes to you.

Hello Drishith, your percentile fir yoyr category is indeed quite good. I am sure that you will get admission in your desired branch. However to help you I am attaching a link that will predict the branch and the college that you can get based on your performance. https://www.shiksha.com/engineering/jee-main-college-predictor
Best wishes to you.

Hello Nitin, my sincere advise to you is that, you should complete your graduation in engineering in another one and half years and then go on for M.Sc. In Maths. Best wishes to you.