India Post — missing package in international speed post

Address: Kolkata, West Bengal

Consignment no: es[protected]in was sent to colombo, sri lanka from guwahati, india on[protected], and despite being given an expected date of delivery within 10 days, hasn't been received on the addressee's end. The package, containing a bank card, has also not been updated on the tracking details after reaching kolkata despite being insured and declared. I would like the package to be tracked and returned to the original sender.