Xiaomi India — Not attending phone call at service centre

Address:	Chandigarh, Chandigarh, 160022
Website:	Mobile.mi.com

Worst customer service i hav evr faced...
I purchased mi4i almost a year ago... It worked vry fyn in first 10th months, in august 2016, after an updation in mobile's software.. Front camra was nt workd properly.
Thr were some dots in screen while clicking and recording and evn sometimes it was changing colrs too.
I submittd my phone at service centre chandigarh sec 22c.
One month has been passed... Till nw i didnt get any phncall frm thr side about my phone tht ut has been repaired or not. I m calling at thr provided contact numbr but they r nt evn attending phn call. I m 250kms away frm tht location.. Thts why i cant go thr to knw abt my phone. Vry vry frustratd frm sevice centr