Kpn Travels — parcel not received till now

Sir,
We booked a parcel from tirunelveli to vaniyambadi
On 31/07/2017 lr no. Tvl[protected] till the parcel is not received to us.
I contact many times in vaniyambadi branch parcel office manger and i complaint many times in your salem head office no.[protected], but in head office they told parcel is delivered at 02-09-17 and we are not responsible the parcel and contact vaniyambadi branch, but till now the parcel will not receive our concern. The vaniyambadi branch manager said "the parcel is missing, and if you complaint me in head office they will not take any action to me", then who will responsible our booked parcel.
We want our booked parcel and take immediate action of irresponsible manager