Hyundai Motor India — my new santro car still not delivered by dealers

Address:

Kolkata, West Bengal, 700086

I have booked new Santo my dream car on 19-10-18 and my banker paid the balance total amount on dated 29-10-18, but till now they're can't registered the car and unable to deliver the same car.
They're commented that they will be delivered the car on dated[protected], if I can pay the balance payment within October 2018, but till now they're not confirm when they can deliver my car.