Xiaomi India — refund of xiaomi 4 — 32gb worth 8999

I ordered phone on 13 sept.[protected]. My refund status has not yet updated at your service station. Moreover the order was received on 18 sept in morning and from then whenever i am calling customer care.. They say no updated information is there. No action has been taken so far. So please see the matter otherwise i have to take any strict action against your firm.