The offer is applicable only on Amazon.in Email Gift Cards and not on other formats like greeting card, gift boxes and multipacks. It is also not valid on the 80+ gift card brands.
Amazon Email Gift Cards: Rs. 75 off on Rs. 1000 coupon:75OFFEGC,
Rs. 100 off on Rs. 2000 coupon:100OFFGC
Rs. 150 off on Rs. 3000 coupon:150OFFGC
Amzon Email Gift Cards: Rs. 50 off on Rs. 1000 coupon:CUST1000
Rs. 100 off on Rs. 2000 coupon:CUST2000
Rs. 150 off on Rs. 3000 coupon:CUST3000