Credit card problems

The following is the experience of one Barclay credit card holder ,found somewhere in a web forum: Read and beware of credit card usage.
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I was called up by barclaycard on 25th june 2008 and they told me that you have been selected for barclay card priority circle offer. You have to pay Rs 5000 + service tax next to next statement..
My billing dateis 5th july 2008 so it should get generated on 5th august 2008. I wastold that i would recieve the gift vouchers for life time free somedinning discounts and other gift vouchers for travel and all. Also a free gift (A travel bag) worth Rs. 2000 will be free. I will also enjoy a grace period of 20 days to return the same. I have not recieved anygift as of yet and they have charged me in the bill of 5th july. When i called up and asked why i have been charged when i have not recievedanything... they told me that you have to first make the payment andthen you ll recieve the vouchers. On hearing this I asked to cancel theoffer but they denied and said it cannot be cancelled. I think this is too much fraud on the barclaycard side and they dont even bother... Even the customer car is bogus some of the number do not even work andthe bsnl number i have to try for 1 or 2 hrs then it gets connected.Also I am having a 21 days grace period currently. This has been mentioned in there website of barclaycard.Clause number 2b, that this particular offer is voluntary and user canalso quit the offer in the 21 days grace period. They can withdraw theoffer when the user is in 21 days grace period. But when i called thecustomer care they said you can’t withdraw/cancel the offer.
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It is to be understood that for ordinary credit card users this priority circle is of no use ,if the company debits the charges against the wish of the card holder ,it is against law and sueable offence.
The concerned authorities like RBI,should intervene immediately and should pass necessary orders to restrict credit card issuers to debit these kind of charges only after obtaining a written and signed document from the users.