I am assuming this has existed for a while now. Here is what the mailer said:
Send the following SMS to 9222208888DTH < Last six digits of your bank account>e.g., If the last 6 digits of your account number are 123456, to recharge a Tata Sky subscriber ID 1005825110 for Rs.100, send the following SMS to 9222208888TH 1005825110 TATASKY100 123456
You can recharge your DTH with the following 6 operators, upto Rs.1500 per day and Rs.5000 per month:Tata Sky, Big TV, Dish TV, Videocon D2H, Airtel DTH, Sun Direct.DTH recharge could never get so convenient and comfortable.