India Post — Non delivery on urgent medicine

Address: Howrah, West Bengal, 711113

Website: India post.gov.in

I ordered some medicine from Apollo hospitals enterprise limited, Chennai. They dispatched my order through Speedpost on 30/03/2017. But today, its 06/04/2017, but I have not received it yet. The Speedpost No is ET[protected]IN.The package was dispatched from NSH Kolkata airport to NSH Howrah on 01/04/2017.its 5 days over still the package did not receive​ by NSH howrah My package is stucked someweher I don't know. Please help it's urgent.