Indian Bank — Refund delayed for My amazon order

Address:

Meinganapuram 628210

I have refunded the order, the company said that they have initiated the refund amount of 270, but the amount has not credited to my account, The Indian bank of Meinganapuram branch 628210 (pincode), IDIB000M315 IFSC CODE has holded the refund amount...KINDLY help me to refund my amount...Plz find the RRN#30005121152115092619277 FOR RS 237.50...The accounter name is Y. Sri ram kumar. The last four digit of the card number is *3380