1a) RBL signature + dc: Pay using Canara setu. 1% cashback for cc bill payment upto 1000rs pm. Extra 5,000 Rs voucher if spend of 5L or more in a year. Fees 5.9k issuance (get 5k voucher) and 1.8k annual (waived off on 3L spends). Can open multiple accounts with same pan to get multiple dc.
2) HDFC Millennia debit card: Pay using Canara setu to get 2.5% cashback. Or...