India Post — education documents stuck at chennai airport sorting office

My parcel with educational documents to be sent to canada is stuck at chennai office sorting office from 19/12/2019. Tracking id: rl[protected]in. What is the reason and when will the package be delivered?.

The documents were posted from thiruvananthapuram university po. On dec 16, 2019

Attaching a screenshot from the india post tracking site

These documents needs to reach canada for the verification process which would delay the process if is stuck at chennai sorting office