India has some of the worst sanitation conditions in the world. You and I take clean drinking water and sewage treatment for granted.
There is a pretty strong case that educating women, giving women control of their reproductive systems, and giving women good hygiene, sanitation, and toilet facilities is the best possible way to lift populations out of poverty.
http://www.iamin.in/en/mumbai-north/news/mumbai-ranks-second...
http://www.globalpartnership.org/education
http://www.pbs.org/independentlens/half-the-sky/economic-emp...
http://thinkprogress.org/economy/2014/01/09/3138901/rubio-ma...
http://www.globalpovertyproject.com/our-policy-focus/