Gift Cards may only be redeemed toward the purchase of eligible products on www.amazon.in.
Similarly Amazon.com cards can be used only on their website.
The providers of each card varies for each country.
Can I redeem Amazon com gift card on Amazon in?
About Amazon Pay Gift Card Restrictions
The following restrictions apply for Gift Card purchases made on Amazon.in. Amazon Pay Gift Cards can’t be used to purchase other Amazon Pay Gift Cards or applied to any order containing another Amazon Pay Gift Card. Gift Cards can be used to purchase Kindle eBooks.
Can I use my Amazon gift card anywhere?
An Amazon gift card is only valid for the Amazon store that it is assigned to. So the answer is that no other stores accept Amazon gift cards. PS. Probably your only option to shop elsewhere, is to sell the gift cards to someone else, online or to a friend, etc..!
Can you use an Amazon gift card to pay your Amazon store card?
The Amazon Store Card and Amazon Credit Builder can be used on most purchases on Amazon.com, Audible.com and with select Pay With Amazon merchants with the exception of a few items and services.
Where can I use Amazon pay gift card?
Debit cards, Credit cards, Net banking and UPI can be used to purchase an Amazon Pay Gift Card. Existing Amazon Pay balance, Debit/Credit card issued outside of India, EMI and Pay on Delivery cannot be used to purchase Amazon Pay Gift Cards.