TNEA

For that, you need to consult your administration, because they will tell you the right procedure to how to correct the incorrect details.

No problem, but call the college office of this university and tell the problem. They will tell you, if any change is required or not.

Hello shubham,
Yes, they can apply. If you are a Tamil Nadu native student, then you can apply through regular counseling. If not, then you need to apply via a different admission portal which will be released after the regular applications. There is no entrance exam and so you can get admission based on your board exam marks.

Hello Naveen,
There is no comparison between IITM and any other college as it is of high standards. You need to clear JEE Advanced for IITs. To know about the colleges which you can get, you may refer:
https://info.tnea.ac.in/tinfo/index.php
You cannot get the top ranking colleges like CEG and MIT but you can try for other affiliated colleges.

Yes, after completing your graduation you can join M.Tech biotechnology. As after graduation you will be able to study M. Tech. So, you can try to get admission in a good college.

As per your marks, you might get a seat in TN counseling. You can try to get admission there as your admission will also depends on rank so, you may get a seat there.