Mobikwik — Refund not credited yet

Actually it been more than 2 month, refund initiated by merchant but still not credited to my bank. Nd every time I call to mobikwik they say same this mam please wait 7-10 business day, they ask your bank statement i share that also but still after all this process i don't get my money nd mobikwik make me fool, no one working on my this issue, they lying to me everytime so please help me i need you help amount is 998+998 it's too transition but still they don't do anything please help me ..