Sony — Sony Mobile c4

Address:

Saharanpur, Uttar Pradesh, 247001

I have purchased new sony c4 handset on 25/09/2015 and after few months i started facing problem with my handset touch problem sensor problem over heating problem my handset has been to service centre 4 times but still it's not working properly company executive saying that they had replaced touch panel motherboard but nothing is fine with this phone i want my handset to be replace please resolve my problem