Airtel / Hello Tune — hello tune automatically activated

Address:

South Delhi, Delhi

my hello tune is automatically activated by airtel on dated 04/07/2011 at 01:50:24pm... firstly a ivr call comes and asked for hello tune but i cut the call without pressing any desired no.
after sometime they will charge Rs30 rentel and Rs 15 for downloding. soon i call costomer care but they bared my call. so plz return my money as soon as possible...

my mob no is [protected] (caller tune wrongly activated is "tere bin")