The document discusses the issues of access to clean drinking water and sanitation in India. It notes that over 1 billion people worldwide lack access to clean drinking water and 2.6 billion lack basic sanitation. In India, approximately 600 million lack access to toilets and over 1.5 million children die from diarrhea each year. It then outlines proposed solutions like mobile water ATMs, rainwater harvesting, and community toilets to expand access, and the challenges in implementing these solutions at scale.