JAIPUR – Sambhar, a village in Rajasthan, located some 200 miles from New Delhi, is adjacent to India’s largest saline lake and produces some 10% of the country’s salt. It has some glamorous antecedents too having hosted prominent Bollywood productions like “Jodhaa Akbar,” “Delhi-6,” “P.K.,” and “Highway.” For much of March 2017, Sambhar witnessed a...