Xiaomi India — Complaint against mi tv

Address:

House number 125 1 st floor pkt 9 sector 25 rohini delhi 85

We had purchased mi 4A 43 inc. tv. we had a complain that there are multiple color and lines on the screen .i request you to solve our problem as early as possible...
Your customer care is also not working. I have been trying for many days. It has not been 1 year for my TV yet!