[Resolved]  India Post — delay in delivery / shipment stuck

Address: Dibrugarh, Assam, 786184

Tracking number rf[protected]sg
My item is a registered international parcel sent via singapore post. It arrived in kolkata foreign lcao on 02/08/2017.
Thereafter it was sent from customs clearance on 04/08/2017.
It was cleared by customs department and was ready to be sent to domestic location (Guwahati rms) on 12/08/2017.
From there on, there is no update about the whereabouts of the parcel. What is going on? Its 21/08/2017, 9 days have past and no update about the parcel.