Dear student,

Congratulations on your score. OC means other class it comes under general category. It means you don't have any quota.  As per my knowledge there isn't any college that comes under TNEA offers BTech in AI and DS. You can opt for other branches. You can download the list of previous year colleges and subject wise cutoff that come under TNEA.

http://engineering.careers360.com/articles/tnea-cutoff

You can also predict your college through the below link.

https://engineering.careers360.com/tnea-college-predictor?utm_source=qna&utm_medium=ini-cet_cp

All the best.