Jabong.com — harassment for refund

Address:

B-37; G,-1; Ground floor; Dilshad garden, New Delhi, Delhi, 110095

My order no.110150909195990133203
I ordered a black leather belt o[censored]nited colors of benetton. But they delivered a different color belt. Return was picked up next day... But they emailed me as quality check failed.
The executive.. Told me the reason that in return reqest i have given reason for retun as different rather than wrong.. Why i m not getting refund gor their mistake.