https://www.amazon.in/b/ref=s9_acss_bw_cg_GCNYH...

What is the offer?
Get flat 5% up to Rs.100 Instant Discount on Credit Cards and Debit Card transactions on purchase of select Amazon Email Gift Cards listed below from September 12, 2018 to September 13, 2018. The offer is valid on the purchase of any Amazon Email Gift Card listed below once per credit/debit card only.

b) How can I avail this offer?
Just go through the normal purchase shopping process. On the payment page, please select your Credit Card or Debit Card as the payment method. Please select the desired tenure and proceed.

c) What is the minimum transaction size for the cashback?
As long as Rs.10 is spent on the card for the purchase, you will be eligible for the offer.

d) What is the maximum cash back that I can avail?
The maximum cash back is Rs.100. The offer is valid only once per card.

e) Is discount applicable on debit and credit cards?
Yes, the discount is available only on Debit and Credit Cards. Please ensure you enter your card details on Amazon.in. All netbanking transactions will not be eligible for the offer.

f) I did not receive the discount. Why?
Please make sure you are not using a netbanking or a UPI or Pay on delivery payment method to complete your transaction.

g) My payment failed while placing the order, will I be eligible for the offer?
If your payment failed while placing the order, Amazon.in gives you an option to revise your payment. If you revise your payment successfully within the offer duration, you will be eligible for the offer. For more information on revise payment