[Resolved]  Vodafone — unnecessary hike in sms rate

vodafone company charges local sms at Rs. 2 per sms during any occassion. recently on Valentines day also they charged me with such rates. in actual, my sms rates are 25paise per sms. i want to file a complaint against them to ask that when they send customers so many service messages, why cant they send an sms stating the increase in rates on due intervals.