India’s festive season spending is booming as shoppers splurge on vehicles, smartphones and TVs, buoying development in one of many world’s fastest-expanding economies.

Sales at on-line platforms like Amazon.com Inc., and Walmart Inc.-owned Flipkart was up by nearly a fifth within the first week of the festive gross sales from a 12 months in the past. Digital transactions recorded by Unified Payments Interface surged about 40% in October from a 12 months earlier.