Consumer Redressal

I have buyed a Lenovo flex 2-14 model laptop on 18 january 2015. From April my laptop started showing white reflection from all the 4 corners and the bottom of screen. I have registered my complaint on APRIL and from april lenovo has replaced different parts in my laptop.total 4 times the parts are ordered and 4-5 times engineer has tried to repair my laptop BUT THEY FAILED ALL THE 4 TIMES TO REPAIR MY LAPTOP. ALREADY 3 and a half MONTHS ARE over trying to repair my laptop . SO I ASKED LENOVO TO REPLACE MY LAPTOP OR REFUND MY MONEY BUT LENOVO REFUSED IT. REMEDY NEEDED:- 1)full refund of my money OR 2)replacement of my laptop CONTACT DETAILS:- 1) lencare@lenovo.com 2) consumerts@lenovo.com LAPTOP DETAILS:- Brand - Lenovo Series- Flex 2-14 LAPTOP SERIAL NO. - WB15218697 PLEASE HELP ME AND ASK LENOVO EITHER TO REFUND MY MONEY OR REPLACE MY LAPTOP.