St Courier — Non delivery of parcel past 1 month

Address:

Pali, Rajasthan, 306401

We have booked a parcel to medlife agencies ernakulam on 18/06/2016 with pod no [protected] but st courier not delievry the goods saying that they have to gain amount from jodhpur franchie. As this is their internal matter how can they block my consignment. Since it conating medicine of quotation order i have incurred a loss of 50000. Know who is the responsible for the same
Dinesh jain
[protected]