they give me defective model of nokia 200 and after repaire in nokia care center it gives same problem

Location/place: pune

Name of company/service: nokia

i am samir borkar from pune,buy nokia 200 cell phone from pune with imei no. 359346043004567.this phone gave me problem
within 3 months after that i give it to nokia care but still it give problem and they are not ready to replace dis defective model….