Flipkart Grocery HDFC Card Offer: Shop grocery at upto 60% off at Flipkart supermart. Plus 5% cashback with HDFC Bank Debit Cards on Flipkart Supermart. Minimum purchase of Rs.2000 is required to avail this offer. Max. cashback points per customer per month: INR 500 (1 Cashback point is equivalent to 1 Rs). So now shop your monthly grocery & save more using this HDFC offer. No Flipkart Grocery Coupon code required to avail this offer. Buy Now.