Lenovo — production defect of lenovo k note some bluer lines on upper and lower edge of screen

I have purchase lenovo k4 note in may 2016, now from last one month some bluer lines are displayed on my screen near upper and lower screen edge, i want to resolve this problem by any how as this production defect and in production defect there is no warranty beerier i have to face, please resolve this with in 7 days as problem of that line are increases as day by day.