There were plenty of skeptics when Walmart acquired an e-commerce startup in India called FlipKart last year. The 16-billion-dollar price tag didn’t help… it was the retailer’s biggest acquisition ever. But now those skeptics may be back peddling. Not only is FlipKart emerging as one of India’s top e-commerce players – it’s also spinning off a subsidiary called PhonePe (phone-pay) for 10-billion-dollars.