State Bank Of India [SBI] — not refunding my amount

I have purchased 2 products from myntra through sbi debit card which i hve returned on 14th july.since then I haven't received my refund.i have talked with myntra they have given me reference num for my refund which states that the refund has been initiated from myntra but it is not reflecting my account.i hve talked with myntra they said that they have done their procedure n now i hve to contact sbi customer care.i hve talked with sbi customer care n they said they cant help with third party orders as myntra is third party for them so they cant help me.now my refund is in between myntra nd sbi.myntra has given me proof of their refunds but sbi hasn't given me any information about my refund.now i want sbi to contact me on my email id [protected]@gmail.com