Uco Bank — my refund issue

Address:

Sundarpur kharga tola, Darbhanga, Bihar, 846004

Sir I paid the amount of 859 through upi on Amazon.in at 19 april 2019 . Then I returned my product. And amazon.in refund my amount 859 on 27 april 2019 successfully. Company provided the refund reference number .Sir I paid the amount of 859 through upi on Amazon.in at 19 april 2019 . Then I returned my product. And amazon.in refund my amount 859 on 27 april 2019 successfully. Company provided the refund reference number[protected]. But yet my amount is not credit in my bank account(A/c no. [protected]) . please give me solution & my contact number is [protected] But yet my amount is not credit in my bank account(A/c no. [protected]) . please give me solution & my contact number is [protected]