Union Bank Of India — Refund is not been credited in a/c

Address:

Amazon india

Sir,
The refund of rs.2562 from amazon order num,[protected] is not been credited on 2nd july, the refund reference number is 30005401850183231103521 .kindly check where the amount is stuck .
The transection from amazon is already done there is some network issue from bank soo kindly check it