Mi India — Taking long to repair

Address:	Sambalpur, Odisha, 768001
Website:	www.Mi.in

I had buy a xiomi redmi note 3 gold 32 GB phone 3 month back . I used it only 2month then battery problem started . so I send it for repair to mi centre by pickmi service. I send it on 4 October . it has reached to them on 12 but still no update about phone or anything they have given me . I called customer care everyday still they ask to wait only . no reply about condition and when I get my phone .
Inquiry number is -[protected]
Plz help.