Get Rs.150 Cashback on Electricity bill payments. Valid on bill payment for 2 consecutive months. Min. bill payment of Rs.400.Pay using Airtel Money wallet/Airtel Payments Bank. Validity 1 stFeb, 2018 – 31 st Mar, 2018. Cashback will be credited to Airtel Payments Bank wallet or savings account within 4 working days of the transaction.The offer is valid for all electricity boards where payment is made through Airtel Payments Bank.