[Resolved]  Sony / Hi - Fi MHC - Rv222 — Faulty Hi-fi system, never worked

My father bought a Sony Hi-Fi system, Model no: MHC-RV222//CE12, Serial Number 6116671 on 25-12-07 from Hindustan Electronics, Hapur( Ghaziabad).
We made regular complaints regarding the performance of this system. We made around 15 complaints since we purchased this system. this issue is never resolved they took it to service center, returned it back but it never worked. the local dealer suggested me to make a complaint in the consumer court.