Best way to pay one card federal bill

[tanvi]

Previously I used to pay through Amazon and paytm to get reward.
But currently this are not working?

I want to know if there are any additional ways to warn reward

 

[Slayer]

Previously I used to pay through Amazon and paytm to get reward.
But currently this are not working?

I want to know if there are any additional ways to warn reward

Cred to earn few rupis as cashback