Jabong.com — not refunding my money from the a month

Order id[protected]-7976401
Placed on tue, 23rd apr'19 and returned succefully but till now i did not get my refund.. Every time i contact they say your bank details are wrong.. I gave them another one.. Again they say the same.. I have been using the same bank details on other site and they are working we.. Its been a month i have returned the order.. Their is no other way to contact them excapt mail.. And they don't answer it properly