Indigo Airlines — Non refund of fare

I have booked for flight on 28/12/2016 but did not get the ticket.
Name: SANKARDAS K, booked for 9 passengers on 28/12/2016
My account got debited with Rs.39402/-

I got three messages quoting TXN IDs
TXN ID 97a7750fa3e[protected]
TXN ID 0f2ecaf60e0d[protected]
TXN ID 6203e7cd7ba[protected]

When queried the official told that the full amount would be credited back within 2 days. I have not received the amount yet. Request early action