Aircel — Unauthorized balance deduction by activating packs

My aircel no [protected].my balance was 104 rs.n it became 15 rs.i got a message stating that some cricket pack 25 rs for 25 days was activated which i dint subscribe.other such packs were also activated. this happens evry now n then.wen i call customer care no1 takes d cal n they keep on hold n dont reply back.kindly look into the matter n return my money.