India Post — Delaying in Speed Post Delivery

Address:

Netaji Subhas Chandra Bose International Airport, Jessore Road,Kolkata,Westbengal-700052

My tracking Id: EW[protected]IN ( Inland Speed post )
I sent a speed post on 23rd JUNE 2021 from kalyani Post Office which was supposed to be delivered at Mugkalyan S.O( Heritage of Education, Rabibhag, Bagnan ) in 2-3 days.
The problem is that the item was received at Kolkata AP TMO on 26th JUNE 2021 around 13:21:30. Since there has not been any update about the parcel. I am clueless regarding its delivery.please resolve