New method uses paytm offer
You can use your credit card like flipkart axis (1.5%), Axis ace (2%) or Amazon card for extra cashback. SBI Cashback card I don't know if it gives 5% or 1%.
Click your profile... You will find cashback section from below
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Goto wallet option like below
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Now select below 2.5% cashback option
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Next add money of 12000 for 300 cashback.
They will charge 2.35% but you get 2.5% that is 300 as cashback. Difference of 0.15% + 1.5% extra (Fk Axis) cashback.
Make sure paytm charge is 2.35%.
Also offer might be account specific.
12000 you can add 5 times.... You need to scratch the card to get 300 cashback. Also follow the same process again. Don't directly load money from any other option.
Then transfer it back to bank at 0% charge.
Later you can use any cashback debit card for CC payment to earn more.
Sorry if images are huge... Captured using phone screenshot.
Offer valid till 7th November 2022