“On the subcontinent, Pakistan has passed the point where solar power is cheaper than a lot of electricity that comes from diesel generators,and India is upping its target from 20 to 33 gigawatts to be installed by 2020” IndiaPakistanSolar Energy Book:Rooftop Revolution: How Solar Power Can Save Our Economy and Our Planet from Dirty Energy Source: Rooftop Revolution: How Solar Power Can Save Our Economy and Our Planet from Dirty Energy