PhonePe — cashback on 300/- not credited.

I booked a flight ticket on easemytrip and made payment through phonepe... Transaction failed first time but successful second time and cashback not credited... I continuously mailed to phonepe customercare for cashback but no proper response... After 1 month executive called me and told it's software problem we can't help you but can collect your feedback for future. Don't use phonepe they are just cheating consumer on name of cashback... Customer care is totally useless. They don't take any initiative.