Xiaomi — Replacement hanging issue

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New Delhi, Delhi, 110086

I purchase xiaomi redmi 3s prime Problem started the next day so I'm hanging in store for those calling toll free Number on my orders, he turned and spoke twenty-four Replacement Act of horse then a call will come the Hour But the call did not I order replacement twenty-four sept ko kara tha or unka call 28spt ko aaya fhir unhone kaha humare bluedart partner jo currier karte hai wo apka 24 hours k bich pick kar lenge bus sir WO time pe time de rahe h or unka koi bhi response nahi aa RHA hai n unke executive se bat karo to sahin se jawab nh dete hai or bolte hai yahi humari policy hai sir plz help me