Extra Discount on Select Products in Exchange of Flipkart Coins Claim here
HDFC Bank Credit Cards and Credit/ Debit EMI Transactions on Mobiles: 10% instant discount upto Rs.1250 on Rs. 5000 & above + Extra Rs. 250 off on Rs. 25000+ from 22nd to 25th April source
HDFC Bank Credit Cards and Credit/ Debit EMI Transactions on Large Appliances, Electronics, Furniture and Travel (Domestic Bookings): 10% instant discount upto Rs. 750 on Rs. 5000 & above + Extra Rs. 250 off on Rs. 25000+ from 22nd to 27th April source
ICICI Bank Credit and Debit Cards on Fashion Category 10% instant discount upto Rs. 500 on Rs. 1000+ from 22nd to 25th April