Lavie — I returned bag but refund not credited

I raised return request they accepted and they took bag 15days back since I didn't get refund.when I contact them through mail, WhatsApp or call they didn't respond.pleasectake action on them please teach them a lesson.ill give order ID and return id
Id: LAV00058215
Return id:#RET3466
They should answer me but no reply at all their number also not working so cheated