Myntra.com — roadster navy jeans

Mynta customer agent says 886.20 rs refund credit in your acount but i checked in bank not credit in my account, mynta agent give me refrence number but also not to show in my branch bank. So too much irritating. Round and round only sorrounding. So please sir my kindly request to you please solve my reauest,, my product is roadester jeans navy blue ant the value is 886.20.