The Professional Couriers — The Professional Courier Lost of Parcel & Unresponsible behievour professional couriers bangalore and proddatur office

On January 4th 2021 i have booked a parcel to banglore from proddatur, but i have went to the office and cancelled it on the next and requested them to return the parcel, after lots of follow up via calls and discussions, the banglore professional couriers staff member called on march 9th afternoon said that parcel was delivered on january 8th 2021 to the to address on it, and they are unable to produce any proof of the same and they are saying that its not their responsibility as the parcel is already delivered, when we took both delivery agent and the end customer, in call they clearly said that parcel is not at all delivered, now they are not returning the parcel and say we cant to do anything parcel was some where missing.