HDFC Bank — undelivered hdfc fastag

Address:

211016

I have purchased the Hdfc fastag on 05/12/2019 on line and got my I D and wallet I d number from company . After getting ID and Wallet ID number I recharged it for Rs 300 .Now my fastag account is Rs. 600 but I could mot get my fastag or any dispatch information till now . My Customer ID is[protected] and Wallet ID [protected] .
The help line numbers is always busy .I need fastag urgently .Please do help in dispatching my fastag on priority basis or inform me about delivery status
Thanks a lot
Mohd Faiyaz Khan
B 563 G T B Nagar Kareli Allahabad U P