Panasonic Mobile — I not repaired after 4 month of give to service center

Address:	721102
Website:	18001028989

I am subrata tribedi from kharagpur submitted my mobile before 4 moth ago. In 4 month mobile send from 4 times from service center. And they again send to service center. I am ready to give all the cost for repair but why they do this time of service. I am suffering from so many month .please do needful. My job no.- kjaspwb0281115p12620 Previous- kjaspwb02975p12620