Sony India — major problem

Address:

Sangrur, Punjab

I think my mobile had a very major problem. Its speakers and headset is not working .Im going to the centre regularly but they didn't satisfy me .my mobile is regularly going to sony care centre with suffering with same problem, 1st time they were said to me that your mobile part ordered it take some time after that we will give you back your mobile but after 4 or 5 days they gave me mobile and within 2 days that same problem was introduced. then i go back to care centre. then they were said that last time we did only cleaning procedure then it work properly but now we check carefully. after 1 hour by the same procedure they gave me back my mobile and said now it will work properly. then within 1 or 2 hour the same problem again i face . Now my mobile is at care centre but i don't believe them that they do right things . please do something i don't want to do all these things .please