India Post — Theft of item from the package

Address:	Dehradun, Uttarakhand, 248001
Website:	Indian postal services

I received the delivery of my package today in my office. I could not check it as i was busy in my work and kept the package inside my bag. Later when i took the package i found the item was missing from it.
Item details - a gomad ring
Delivered from Assam Guwahati
EMS- ES[protected]IN
SP to- NSH Dehradun Hub
Counter no:1 OP- Code 09
Wt 20gm, 28/04/2017, 13:03
From Basista SO
DelvryPo: dehradun