refund my amont

Location/place: gurgaon haryana

Name of company/service: delasandyou

i purchase a mobile phone blackberry tour 9630 on 20/06/2012 but he send incorrect product and he take to me RS 6999 through online debit card sbi .
so i want to refund my money amount .
my order number is 661027.
my contact no.9804107872
[email protected]
please help me refund my cash amount.
thank you..