Karbonn Mobiles — Mobile phone dead in same days ofter recived from service centre 3 time (3 time service in 2 moth) & no servce find before 1 month

Dear Sir, We Have purchase a karbon mobile hand set Karbon Titanium S5 Ultra on Dates[protected] But i find tuch problem & Phone dead & not on in 16 july 2015 then i have shown in yamuna vihar service centre (yes mobile service) Our Job sheet No, KJASPDC206 7151KR735 dtd:[protected] & IMEI NO. Is [protected] & [protected], & 2nd time on[protected] mobile phone dead & currently we have again find dead problem[protected] jobsheet no. KJASPDL206915KR2987 BUT I HAVE NOT RECIVED PHONE YET, WHEN WE CALL HIM HE ALWAYS TELL YOU WILL GET YOU MOBILE IN 10 DAYS ALWAYS MY 50% WARRANTY EXPENSES IN REPARING NEITHER PHONE IS OK NOT HE IS GIVING REPLACEMENT