India Post — Reg.latter location is not updated from 20 days

Respected sir
My document verification was sent from post office BSEH SO pin 127021

From
Board of School Education Bhiwani Haryana
To

The Director of . Elementary education Khailpara Guwahati assam
pincod 781019

And my tracking consignment number
RH[protected]IN
latter was sent on 5 aug 2021
but i am unable to find its location from last 20 days
its a. Registered latter and my all original document are in it
so resolve my problem as possible as