[Resolved]  LG LCD TV — Tv faulty

I purchased LG LCD TV 19LH20 from Vijay Sales Prabhadevi on nov 8 Tv Showed some picture problem...White Lines Came on the Tv...Complaining to LG service centre the technician said its a Panel Problem and panel will be replaced...We refused to get it repaired and asked for Replacement as it was not 2 weeks also we buyied that LCD..LCD Dept head Mr.Mahesh sawant told we will replace the Tv but after 2 days he refused to replace it..What Kind of Action can be taken Plzz Suggest. ??