Xiaomi India — Service centre issues

Address:	Bangalore, Karnataka, 560001
Website:	Mi.com

I had given my mobile phone at the official service centre in indore, m. p. on 4 may '16 facing some performance and sim reading issues. i was told that mother and daughter board is damaged which will be changed (covered in warranty). on 17 june '16 i was told by the service centre in charge that the service centre has been shut down by the company and i had to take my un-repaired phone back.

Again on 22 june'16, i requested for pickmi service where the company will pick up the phone from my address and repair it in 7-8 days (as told by the customer care representative), its been 18 days and i still haven't received my phone back and the company had no idea when it will be repaired. all i'm told at the customer care is to wait for few days.

I have registered some complaints with the company, i was told to be contacted by the complaints departmentu in 48 hours but that didn't happen.
Complaint no. - 1967856

So, overall its been more than 2 months i haven't got my phone repaired from 1 year warranty slab.

What do i do now?