Lenovo — Laptop problem

Address:	91
Website:	Lenovo

I have purchased a laptop lenovo - (G[protected]I3/4gb/1tb/dos) s/n: yb08494967 from computer care, po & ps - balurghat, dist - dakshin dinajpur, west bengal, india, pin - 733101 on 07/03/2016 in cash vide invoice no - cc/blg/908/15-16, dated - 07/03/2016. On 03/05/2016 i noticed that the f7 / flight mode key did not work properly as well as lying dead. Then i have talked with the toll free no of lenovo service centre[protected] & [protected]) and they all try to their best by online but they failed to unearth / solve this problem then i received a sms vide so: [protected]. On 11/05/2016 a hardware engineer (Mob no. [protected]) came to my house with a new keyboard but he also failed to work out this problem after exchange the keyboard then he contacted with another engineer (Mob no. [protected]) and was offered me for replace my system after all formalities. On 13/05/2016 i received a phone call from [protected] in which i learned that my system will not be changed and also gave me a free suggestion for further contact with toll free no of lenovo service centre. What is this?? He should not closed my so: [protected], you should do something. I have purchased my laptop just two month ago with one year warranty, but is this your warranty? Am i wrong to purchase lenovo laptop? "you can't fool me!" if you closed my so: [protected] without any co-operation i shall circulate this message by using social media as well as other site.

My details as follows:-
Name - mithun pal
Vill & post - chakvrigu,
Ps - balurghat,
Dist - dakshin dinajpur,
State - west bengal,
Pin - 733102,
Mob: [protected]
E-mail: [protected]@gmail.com