Vodafone India — regarding charges on my mobile bill [protected]

My Mobile No. [protected] has got an add on number [protected] which has been charged Rs. 602 for a call of 43 minutes mentioning special number 51717.

How can a special number be charged such high amount and when I have visited complaints raised many resemble my complaint .

I hence request to act on my complaint and that necessary action to get me a refund for the excess charged.