sbi cashback card only eligible on selected categories all details here -
1) Use Coupl app for SBI CB Card to CC bill payment and get 5% cashback (1.9% charges, if you load 2k*5 times) but 3.1% profit on CC bill payment.
Note - single people can also join coupl app.
2) Ebixcash wallet - full video kyc bank transfer 2%+gst and 5% sbi cb card.
3) Qwtag wallet via Ola Wallet gateway - 2.29% charges but 5% sbi cb card. Full video kyc user free transfer to bank or cc bill pay via Wallet UPI
4) Park+ app use Paytm fastag recharge - Monthly 60k/62k per Paytm fastag, 1% conv fee and 5% sbi cb card. Paytm fastag rc balance to bank transfer free or cc bill payment.