Sony India — worst services of service center

i am from gzb, u.p. .i purchase sony led from metro mall two years ago and now i am frustated from sony sevice centers .for two times the t.v. got some problem. This is the 2nd time and now mother board has to be changed but its been 2 weeks that the t.v. is at the service center and advance has also been paid but we have not got our t.v. repaired. Now, before buying a sony product i will 10 times and will sugest people not to buy sony products.