Before getting started, you can go through the various shopping benefits of using a DigiSmart card across diverse brands for an easy headstart. On shopping with Grofers, Zomato and Yatra, use the promo code DIGISMART to avail of the discounts and offers, using this credit card. On shopping with Myntra, Inox, and OLA, no promo code is required; you just have to simply checkout using your DigiSmart credit card.