India will add 2,000 megawatts of solar power capacity between January and March, which is equal to the capacity added during the entire 2015. Solar tariffs fell drastically in 2015, but there is disagreement over whether they will fall any further in 2016. "India is an attractive market from a volume perspective, but when it comes to margins, I don't know," said Bain & Company Partner Amit Sinha. "The return on equity (RoE) for developers has come down from the high teens or even more to the low teens. Unless developers make sufficient RoE, which needs to risk-adjusted and currency-adjusted, they will not be too excited about investing further in this sector."