Karbonn Mobiles — Complaint against service center

Address:

Rohtak, Haryana, 124001

I had purchased mobile on 22.10.14. It creates problem in july month and i gave it to karbonn service centre in the same month. I have approached service centre many times but got negative response. I want that either my mobile back with warranty or refund my money within one week. My details are as follows: Name Ajay mobile No. [protected]