My Sony Phone — Mother board issue change but problem always same

Address:

251001

Sir i have purchase sony xperia C3 phone on 7/Sep/2015 and on 21 OCT i have submit phone to service center for phone hanging or suddenly for showing black screen at Muzaffernagar then after 20 day the phone is given to me with another problem display issue on 4 june again i submit phone for display problem it will take 18 day to solve but again when phone received by me then the sensor is not worked then using 10 day again problem arise of charging the phone is not charging and the company cant provide any standby to me .the ticket no -[protected]