Sony Mobile Communication — phone hangs permanently in menu/application

Address:

Gulbarga, Karnataka

"Hi my name is Bhushan Kumar i m staying at Gulbarga (KAR) india. I brought Sony Xperia S (LT26i) from Sangeeta Mobile Shop at gulbarga, on 23 july 2012, within one and half month (12 sept 2012) my phone is permanantly hanged, next day i regester the complaint in Sony Care Center at Sainika Enterprises on 13th sept 2012, they said me its come under DP, and we'r replacing u r phone to new one with same model, and said it will come within 15 days, but after 32 days they sent my moble (withought replacing by new one) with the same hanging proble, its not resolved after complition of 32 days they are not did anything repaire with my mobile, they sent it me same as before its.

Name: Bhushan Kumar.
complaint no: SE312SA210802
cmplnt Reg Date: 13 sep 2012 11:16AM
IMEI no: [protected]
mobile purchase Date: 23 july 2012.
Mob Supplier: Sangeeta,
Price: Rs.29,000/-

plz help me abt my problem...

regards-
BHUSHAN KUMAR
[protected]
H no 4-78-1,
4th Cross M B Nagar,
Gulbarga 585104
Karnataka.