iCare Apple Service Center patna - Replace my Mac screen without my permission

I had got issue on display and touchbar and when I gave my MacBook to iCare patna they said it’s due to ic problem in logic board... and display is okey when I ask multiple time and after a week when I get my MacBook they had replace my MacBook screen and touchbar also not fixed and they saying touchbar is damaged and they don’t have cables to check touchbar and they replace my screen because display had issue but they didn’t even inform me about it and they charge **k which is if repairing price which was deal.. but my touchbar is not repaired and my screen was replaced without my permission.. so take legal action against this froud.... they are replacing original display and putting copy. Display and not giving warenty also and when I come home and check black spot dark is seen in display.. and they are speaking openly lie I have every prof of that invoice