[Resolved]  Sony India — Delay in Replacement of defective mobile

I am Bhagat singh from Haryana. I bought Sony Xperia C from bahadurgarh, Haryana. But i was getting problem of low networks on my mobile for both SIMs of Idea & Airtel. Then I returned it back at Sony Customer Care, Shastri Nagar, New Delhi. They committed me to replace the defective mobile with new mobile within 7 days. But it's been 16 days and I have called them 3 times but still I have no updates when I'll get new mobile and they have also kept my mobile. So please help me regarding this issue. Regards, Bhagat Singh Rajput Mob No.: [protected]