Shado Fax - No pickup was made by delivery boy since 7 days and his behaviour is very harsh and rude

Shado Fax rider behaviour is very rude and harsh from Tuesday onwards I m trying to call him but when he received my call he told me this is wrong number and today he called me and talk very arrogantly and he did not come to receive my parcel from Tuesday onwards daily i m talking to savana customer care for this