OnePlus India — Oneplus tv y series

I have bought tv from one plus six month ago now it was showing black in display so we called customer care after some day technition came and told us that display need to be exchanged so he have order display will come after 10 days we are waiting for now one and half month still display not came when asking the customer care they will tel not available .will doliver in 2 days etc and still waiting..so fedup with this now customer care is always buy ..im regreting to buy tv ..will never buy someting again from this company ...please repair my tv or replace