Lg Dvd Model-Dd345 — foulty product (sound problem)

Dear sir,
I purchesed lg dvd player model-dd345, sr-n0-8051nrc217438 from dua interprises korba bill no-m. p. s. t. no-bil/ii/ktgo/2106/0. on 13/07/08.
After few days sound problem occured, coplaint registered on-12/5/09.
From that day product not repaired several times I gone for inquiring but problem as it is, till now my dvd player is booked in dua enterprises.
So kindly book my complaint and solve my problem.

Thanks & regards.
Manojkumar sahu.
Lig-220, maharana pratap nagar korba
Cell no-[protected]