Sony Xperia — Touch not working after 6 months of buy

Address:	Faridkot, Punjab, 151203
Website:	Sony experia

This is to bring in the notice of sony experia company that I Monila bought a brand new sony experia C 4 dual from faridkot punjab in the month of august 2015. After 6 months its touch got disfunctional and i sent it to service centre una himachal. After getting so called repaired it agian showed the same problem within 1 week. To my despair i again sent the phone for repair to faridkot sony service centre..this time they claimed to replace the front touch screen..after one week i got my phone back but it showed the same problem within 10 days..i want to tell that my phone is within one uear warranty and i want that my phone should b replaced with a new one as problem is not being solved. This time no fake promises as i have lost many contacts and many useful information.. Plz the so called renowed sony experia take some steps to help us out.otherwise things can get worsen from our side.