SBI cashback credit card not giving 5% on Amazon GV tried on this platform.

[technoswan]

Hi I am new as of December 2000 24 I have tried below options to get 5% cashback on Amazon GV, not a shopping voucher but Amazon pay bill gv
here it goes
Amazon website itself
magic pin
Zingoy
Park+
Tata neu app
99gift

all these websites for apps either selling Amazon shopping voucher power credit card is not available as a payment option it's been only a month since I got my SBI cashback card I haven't have any good luck with getting 5% back for Amazon voucher (for bill payment, recharge purpose)