India Post — delay in delivery of registered parcel

Sr i have booked one parcel on 26 sep 17 from hajipur punjab. Parcel no. Cp[protected]in.. I checked parcel status on net.. It was showing. Parcel despatched to 81 sbpo from 01 cbpo on 01 oct 17. Till now it is not showing any progress towards delivery.. I have contacted several time on customer care no. Some office s numbers.. But nobody is picking phone... Sir plz kindly help to deliver it soon... It is very urgently required...