OnePlus India — One plus 8 phone green line issues

I am having 1+8 phone on display the green line has come ..after visiting service centre they are not ready to repair i visited the service centre there 100 customer were there out of 100 70 people were for green ine issues ..we are taking 70k phone wats the use if we get such line without any physical damage .

i dont knw anything i need my phone to be repaired anyhow its company issue were manny customer are facing same green line issue

my service record no is IN01025X[protected]