[Resolved]  Vodafone Gujarat — huge data billing and intl roaming

Here I need your assiatnce for below two points: [LI With referance to the mobile number [protected]..i am a business man need to travel overseas..on my visit 2 years back..my vodafone was charged exceeding my credit limit..and was nit informed but i anyways paid it thinking it to be some confusion on my part now last year on my visit to thailand and vietnam i was charged double than my credit limit..without intimating me or noticing me..on my asking to the call representatives i was not properly than some recovery peopl came and i explained them about the things that i had merely used my vodafone card for not more than 3 days out of 15 days journey as i had my local 3g cards for respective nations.till now also no body from vodafone came to talk on this issue after several talks and than one fine day a notice is issued to pay the bill here first thing is that.the papers given by the recovery people doesnt have a full record of whole 15 days.secondly after deciding upon the amount to be paid by me although their bill have discrepancies why did they issue a notice .no body from vodafone has yet showed up till date and when i had tried speaking to the authorities of the companies than the executive says he is not available..what should be done ? kindly look into the matter and advice