eBay last year invested around $500 million in Flipkart, taking a 5 percent stake in the business and handing over its eBay India operation in the process. The eBay obstacleThe potential obstacle for Walmart is that the eBay deal still has three years to go and is believed to cover all types of merchandise except grocery items. eBay also has the right to take back control of the eBay India brand name should Flipkart get acquired, according to one person familiar with the arrangement. Walmart has