Yes, annual voucher of 5k.
Try -
1) SBI unipay (dnt use at night) and first time try Rs100, then 1k, 5k, 10k or max 20k per transaction, do multiple transactions.
2) Sri ram one app
3) Airtel app
4) Dhanipay app but kyc required, almost all cc bill payment available.
RBL Signature+ DC world's Best debit card ever for credit card bill payment, 2% Cashback.