Hello Anjana Satish. My cousin also studied in Anna University and I am also originally from Chennai, so I feel I wold be able to help you in this regard. 

I would like to point your attention here: https://engineering.careers360.com/articles/tancet-cutoff

As per the marks you have mentioned, and the cutoffs you can see from the table in the link, you are comfortably placed to get a seat in Anna University. So, advanced congratulations!

All the best, Anjana!