Hi aspirant 

thanks for asking your query as per your performance in TNEA you are eligible for tnea counselling since you have scored good marks in board therefore it would help you as a plus point during admission in tnea colleges

click link for more information 

https://engineering.careers360.com/tnea-college-predictor

Yes your board marks is good enough and your cut off is also average. You will get admission in tnea college. But you may not get electronics and communication. So if you want higher and better streams you can go for other colleges