[Resolved]  PNB — Refund initiated but still not received

I cancelled two items which I ordered on 4th February. But my refund has not been credited on my bank account. Amazon initiated the refund on 4th and 5th of February which was expected to come by 9th and 10th February respectively. The amounts are ₹ 177 and ₹119.73. Amazon has send me the reference number 30005110351035114917727 but the Punjab National Bank has not still credited my money.
Please help me as soon as possible.