Printvenue — Order payment

Address:	Delhi
Website:	www.printvenue.com/track-order/order-detail?order_id=4178-0806-6866

I have ordered a pen on Printvenue and the payment was successful however I didn't get any mail of payment and after some time it showed make the payment again. I don't understand what the hell is happening g and also I called them, the number not working, mailed them no reply in this case. I'm out of options kindly help me here