Myntra.com — refund

Address: Panipat, Haryana, 132103

I ordered top and due to size problem I returned and 7April but still not get my amount, Myntra said they intitated amount 11 april.i contact to bank and give reference code 30001091029098109260881that is given by Myntra.but bank ppl said this reference code not show anything and not working, I wnat my refund back as soon as possible .I waiting from last 15 days to back refund