vide airway Pan not received

PAN Card has not been received
Acknowledgement Number: 079599700352572

The status of the application as tracked on the nsdl website is
" Your PAN card has been dispatched on 28-sep-2018 by Registered/Speed Post** vide airway bill no. EA552082825IN, at the address for communication* indicated by you in the application. The PAN card is expected to be delivered by 8-OCT-2018."
What should I do to get my PAN card?