Xiaomi India — Defect mobile delivered and not being exchanged and no proper response

Address:

Gurgaon, Haryana

I have ordered xiaomi Mi 4i grey color mobile on 16th of June. I got the mobile delivered on 22nd June, but the mobile delivered was faulty with no sim card tray in it. So without that mobile is useless. I sent the compliant regarding that on 23rd, they said it will be exchanged soon. But its already 16 days no details regarding the exchange. everytime i call customer care they will say it will be exchanged soon, but no details regarding the delivery, they are not responding properly.