Dear krishna_vasu04,
We are not aware of of any problem with our credit card gateway. I suggest you try making the payment again.
In case you are still getting the same error, please contact us through the "Contact uS" link (http://pages.ebay.in/help/contact_us/_base/index.html)
Regards
Huzzi
Billing Operations
eBay India
Regards,
Huzzi