Delhivery — Product damaged due to delhivery negligence

I had received the AWB [protected]
The awb was damaged by the dog when it was in custody of delhivery the reson for the same was provided as due to load and unavailibilty of space the shipment was remained outside and then dog had damaged it, i had proofs for the same, i instructed the manager to remove the damaged part and deliver shipment by taping in the case claim is not approved saying that the delivery was consented delivery please look into the matter at earliest