India Post — speed post portal not updated since 25th july. today is 29 july

Address:

Mumbai

Date of booking: 23 july from mumbai
Last update is 25th july - dispatched from mumbai nsh
No update since 25th july. Today is 29th july
No one picking up at kolkata customer care (Indian post)
I would like to know where is this parcel and when will it be delivered
I sent mails to ash kolkata customer care yesterday but there is no revert