Airtel:
25% cashback on Airtel Bill Payments (Mobile, Broadband, DTH) are capped at 250 per statement cycle (Effective from 20th Apr'24)
10% cashback on Utility Bill Payments (Gas, Electricity etc.) are capped at 250 per statement cycle (Effective from 20th Apr'24)
Ace:
5% cashback on Mobile and Utility payments are capped at 500 per statement cycle
Now you can compare and decide yourself.