India Post — delay in shipment / unable to track

Address:

INDIA POST MUMBAI, Hyderabad, Telangana, 500085

I have courier the item from jntuh kukatpally with consignment no. En[protected]in on 29/312018 but its been 8 days unable to track my shipment after 31/3/2019 its displaying as item bagged. No proper answer was received from customer care also i have lodged a complaint on site no action taken. The parcel contains my educational documents to be send to canada without any delay. Please resolve my service and send it to designated country as soon as possible