Printvenue — received the order without my consent

Address:	143001
Website:	printvenue.com

My order no was order no.[protected]. I had placed order on 15 april 7:33pm and i again wrote email on 15 april 7:38pm for stop printing the visiting cards due to wrong address. Also i got the acknowledgement email from printvenue for the same on 15 april 7:39pm. As per the cancellation policy of printvenue i can cancel my order with in one hour of my order. But now they are not giving me the refund of my amount of rs.875.00 which i had paid to them. Also they had dispatched me the cards with wrong address. # to such company