Kpn Travels — parcel received in damage and rat bitted the item

Address:

Chennai, Tamil Nadu, 600083

Received parcel through kpn doc no. Mdr[protected] dt.4.6.2018 taken delivery on 7.6.2018 morning and found one side open on opening the parcel the item (Sathu mavu - healthy flour) cover bitted by rat. It cannot be consumer due to rat poision. Now have to compensate rs.500 + rs.130 parcel charges.
Ashok nagar agent refuse to compensate and complaint cell[protected] also not responding properly