Need Airtell's Customer care number for Tamilnadu and Email Address for Airtell.

 I could not contact Airtell through. Because there is no ling to connect. Then I mailed my grievances to Airtell Mail ID which were suggested in Airtell website. But all mail id are not Exist. How can i contact Airtell? is there Airtell customer care live or not? Please help me to contact airtell