From billion dollar investors to the big sovereign wealth funds, investors are lapping up GVK Power and Infrastructure (GVKPIL), the Hyderabad-based diversified power and infrastructure company.NDTV has learnt that just a month after Quantum Fund, the investment vehicle of billionaire investor George Soros, picked up 2 per cent in the company, a strategic investor from Singapore is investing in GVK's flagship road project.