Mts — they are not in mood to refund money extending day only

Address:

Bangalore, Karnataka

"Hi i am Uma, i have done recharge of 375 on 30 Jan 2013 on my data card [protected] of MTS, but did not get data from MTS and they deducted 375 rs of my bank account 24650 of karnataka bank debit card, at the same time i called to MTS, they told they will refund money with in 7 working days, after 7 days i called to them but they are extending the date, and 13 feb 2014 one of team leader spokes badly with me . please take some action against them, please resolve my problem as soon as possible. thank you