[Resolved]  Sony Music System — system not working

i have purchases sony music system in 2005 amounting to Rs. 16500/-from Navrang audio video (p) Ltd delhi vide bill no. 10882 dt[protected]. the system become faulty on[protected]. I complaint at authorises cervice centre M/s A P Network Services, B-1, plot no 5, Sagar Comples New Rajdhani Enclave, delhi-92.Sir the above centre gave me estimate of repair for Rs.16000/-. my model no. is MHC-GN27D with serial no. 3160017.pl. verify why they have given me estimate of repair of a product (which I purchased for Rs.16500/-) Rs.16000/.