HDFC Bank — Credit card not received but bill generated

Address: jaipur

Hello
Recently i applied a hdfc credit card and that was approved. credit card dispatched and out of delivery from blue dart courier service.But they cant delivered during lock down and now i got a message from bank my card is return to bank. After 2 day this message i receive credit card bill which i have not. In that bill they are showing 500 rs membership fee and 18% gst. Now i want to know what i do now in this situation.i can't connecting with Customer care executive.
Please resolve my problem.
Vipin suthar
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