Hi,
You can initiate the refund(FULL OR PARTIAL),
You just need to contact PAISAPAY PAY,By the link below:
http://pages.ebay.in/help/contact_us/_base/index.html
You will have to choose (1.)ASK ABOUT SELLING(IN 1ST BOX)
(2.)PAISAPAY TRANSACTIONS(SECOND BOX)
(3.)MAKE A REFUND TO BUYER(3rd box).
Just you need to do is that Mention all the details like Buyer id,item number and amount to be refudned.
I hope my reply satisfy you.
Thanks,
Deep Agarwal.
Shree Krishna Gems.
http://stores.ebay.in/Shree-Krishna-Gems