Source: Microsoft [TechNet]
quote: They are large markets, but they're markets operating at a loss. Microsoft/Nokia/HTC are most likely losing money selling phones in Russia/China/India. This isn't a design win for them.
quote: The people in India and China aren't buying these phones because they think they're better, they're buying them because they're being sold cheap. The Chinese and Indians with money are buying Apple or Samsung phones, and those are the only phones making a profit.