Union Bank Of India — Refund of a smart tv from amazon into union bank

Address:

varni nizamabad district 503201

On 19 october i have ordered a smart tv from amazon but the order has cancelled money was debited from my union bank account .amazon has intiated the refund on 19th of october it should be reflected in my bank account by 24th october but it has not received .they have provided me a refund reference number as a proof that they have initiated the refund amount the reference number is :[protected] .the amount is 31740.my name is gaddam nithin. bank is union bank of india nizamabad distict varni branch.mobile number [protected]