Travolook — Refund for cancelled flight ticket

I had booked a flight ticket from Trivandrum to Pune on 22nd September 2021 via Travolook. Due to some operational issues at their end, the ticket was cancelled by them( snap of mail attached). The booking reference number is REF[protected]. I have also attached proof of payment. I would like to get the refund as soon as possible. The address of Travolook office is mentioned below:

Survey No. 111/1, Plot No. 34, Ranakpur Darshan, New Alandi Road, Opp. More Shopping Centre, Yerwada, Pune, Maharashtra 411006