HappyEasyGo — Non refund of airline initiated flight cancelled booking amount

This is pertaining to PNR:NUI54H . The flight was cancelled by the airline. The issue is refund initiation button is non functional in the app. The booking amount is INR 9536/-. The refund is initiated from indigos 's end but the booking app that is happyeasygo is not initiating. All the consumer helpline number is non functional in the app and the consumer helpline mail ID is not responding.