Zomato — delivery boy misbehaving and scrimmage on me

Firstly delivery boy was badly drunked... And he refuses to come to my floor... Then i ask him to cancel my order if he will not be come upstairs... After that he speedily come on my floor and abusing me badly and then he scimmage on me... It will be the question of my integrity and right... He was drunken very badly... I am unable to sleep after this incident take place... And he also threaten me... This is the wrost experience i ever have... I never in feature use the zomato app... I lost believe on zomato after this incident..