Big data analytics is helping BigBasket, India's largest online grocery store, improve customer experience and operations. By analyzing purchase history, BigBasket can personalize recommendations to populate customers' "Smart Baskets" and reduce shopping time. BigBasket also uses analytics to replenish stock automatically based on past sales data, reducing out-of-stock items and creating a better shopping experience for customers. Overall, big data analytics is allowing BigBasket to enhance personalization, replenishment, and the overall customer experience on their online grocery platform.