Hello, 

Annamalai college is affiliated to Anna University. All colleges affiliated to Anna University have an only gateway to enter i.e TNEA examination. The counselling sessions for TNEA starts from 21st June and end on 30th July. If you beling to special reservation category like ex serviceman, etc; your counselling starts from 21st June and ends on 23rd June. 

Hope this helped you 

Thank you and keep asking :)