Kabeer Biswas, Co-founder of quick commerce start-up Dunzo, has resigned from his position as Vice President (VP) at Walmart-owned Flipkart, Moneycontrol reported, citing people familiar with the matter. Biswas had joined the e-commerce giant in January to lead its rapid delivery arm, Flipkart Minutes. Kunal Gupta, VP at Flipkart, will now lead Flipkart Minutes, a company spokesperson said.