Consumer Redressal

I have been using TATA SKY DTH Services over 7 years and i had recently replaced my Dish for an agreed understanding that TATA SKY will initially debit my charges for dish replacement but will reverse those charges immediately once this has been debited. The Charges were debited in Mid February however i am yet to get a reversal. The executive who calls me and assures that this will be done in an hour took almost 15 days to do it. The person confirmed by calling 3 times that this will be done and the previous instances failed due to technical issues.