Air India — Non refund of ticket fare after more than 40 days for the flight cancelled by airline itself

Booked ticket for 3 passengers on 12 may. The airline cancelled the flight. I have called thrice for refund and it almost a month and no refund issued, no reference number given for my telephonic complaint. I am also filling this form for 2nd or third time. Ticket numbers:[protected], 304, 305 for 6th June from delhi to Jodhpur. Airline cancelled the flight not me still I have to do so much n wait so please g for refund of rs 16923 of mine. Kindly refund asap