Raajnett — Deposit amount not returned

Address:	Chennai, Tamil Nadu, 600063
Website:	raajnett.com

I have applied for new broadband connection on raajnett and i have payed deposit amount. More than one month they are not given the new connection so that i asked for my deposit refund.
For refund they asked me to send the email and i have send email also on thu, mar 24, 2016 at 10:54 am.
But till date they are not returned my deposit amount.
If i call on monday to customer care they are telling friday if call on friday they are telling monday.