Walmart Inc., the world\u2019s largest retailer, could be forced to publicly list its newly acquired Indian e-commerce company, Flipkart Group, within four years at the request of a small minority of Flipkart shareholders, a public filing shows. Walmart\u2019s $16 billion purchase this week of India\u2019s biggest online seller gave the Arkansas-based retailer a 77 percent stake in Flipkart and a foothold in a country with 1.3 billion people and one of the world\u2019s fastest growing economies. That the purchase for India\u2019s most valuable startup gave Walmart a leg up over its chief rival, Amazon.com Inc., which has been investing heavily in India, only sweetened the deal. But whatever euphoria existed among Walmart executives for striking the most expensive purchase in the company\u2019s history could be short-lived. The deal\u2019s terms give investors controlling as little as 14 percent of Flipkart\u2019s shares the right to require Walmart to take the Indian company public in as soon as four years, according to the filing. The investors could demand that Flipkart\u2019s valuation through an initial public offering be no less than the roughly $20.8 billion the company commanded when Walmart purchased a 77 percent stake. "While the immediate focus will be on serving customers and growing the business, Walmart supports Flipkart\u2019s ambition to transition into a publicly-listed, majority-owned subsidiary in the future," Bentonville, Arkansas-based Walmart said Wednesday, before details of the arrangements were disclosed in the filing late Friday. The company\u2019s stake in Flipkart could fall below 77 percent well before a potential IPO, Walmart said, requiring a greater share of other investors to agree to a public listing. Randy Hargrove, a Walmart spokesman, declined to comment on Saturday beyond the company\u2019s recent statements and filings. Reuters first reported on the IPO clause.