Abu Dhabi Investment Authority, Singapore's sovereign wealth fund GIC and Public Sector Pension Investment Board of Canada are in race to pick 25 per cent stake in Reliance Home Finance for Rs 1,500-2,000 crore, sources said. The funds will be used for expansion of the Anil Ambani group company, which is focusing on affordable housing for future growth. When contacted a Reliance Capital spokesperson declined to comment. Sources, however, said that all three large funds have shown keen interest in purchasing stake in Reliance Home Finance, a subsidiary of Reliance Capital.