Prestige Smart Kitchen — Lack of service

Address:	603203
Website:	www.ttkprestige.com/contact/regional-customer-service

I purchased prestige Gas stove during feb 2014, it is under two years warranty. That stove is under repair past two months.. i booked several calls and mails for service but no one response till now. the warranty period also coming to end. in this regard i mailed to DGM, national manager also, they replied but not sent any one. please help me. i enclosed that mail copy for reference.