Swiggy HSBC Offer – Flat 20% OFF On Food Orders 29/05/2020 Food Ordering, HSBC Bank OffersSwiggy 0 GET OFFER SHOW COUPON CODE HSBC20 0 GET OFFER SHOW COUPON CODE HSBC20 Order online at Swiggy web and app using HSBC credit card and grab flat 20% discount up to Rs 100. Minimum cart value – Rs 400. Valid once per user during the offer.