Xiaomi India — Repair tv not deliver since 20 days

I have purchased a 43 inch Xiomi LED TV X series 4k ultra HD smart Google tv, model no. L43M8-A2IN, on dated[protected] through online at Amazon (copy enclosed) but after one month, this tv has screen colour problem, this tv right side corner black out in video. I have done many complaint than 23 September 2024, your company man pick my tv and now when I called to customer service they give me different different dates to delivery of tv at my residence. Today I called at Noida sector 6 service center on mobile no.[protected] and she told me that tv was repaired 3 days ago but they do not deliver bcos delivery boy not go Delhi route and they all are giving me different dates on my every call. Pls resolve my problem and send my tv back to my residence address.