Mts — didn't get extra internet usage

Address:

Delhi

i got msg from mts on my no. That if i will recharge from 348 i will get 1.50 gb and extra 4.50 gb within 7 days. I recharged on 14th september 2012 and still i didnt get extra gb. I hv complaint bt there is still no solution my mts no. Is [protected] and complaint no. Is C[protected]. Before i recharged i also confirmed this offer was valid on my no. But now there is no response to my complaint. P