One of the parties need to be a paid registrant to contact each other.
Matchfinder has a large database of Vanniyar brides profiles and Reddy matrimonial profiles.
However, the truth is that many attached and even married people are also using the internet as a way to meet new people and to develop relationships.
Sometimes they are seeking only friendship, but more often than not, they are indulging in extra-marital affairs and infidelity.
They can start chatting with the other profile, if they are available online.