Indian Bank — not getting refund money

I have made an order for a book from flipkart and payment had been made by using phone pe. I have cancelled the order and flipkart has refund my amount rs2370 on 15 january 2019 which has to be credited on my account upto 24 january 2019. But till now the said amount has not credited. To resolve the issue i call phone pe customer care then he has given an arn no.-[protected]. To loddge the complain regarding this issues. So a kind request to you to do something to resolve my problem.