HDFC Bank — hdfc fastag not received more than 10 days

Address:

Ludhiana, Punjab, 141001

I applied for hdfc fastag on 22nd november still fastag not received, though it was promised it will be delivered in 7 days, but it's more than 10 days no tag received.
I just received a mail on 26th that my wallet was created but no updates after that.
I even tried customer care but got no response,
Even mailed - fastag. [protected]@insolutionsglobal.com no response from there also.
Never seen such poor customer service.
Plz refund my money if i cannot get my tag.
Application reference no.- hfr456647
Vehicle no.- pb913859