Many families consists of women, men and their children work in salt extraction at Sambhar lake the largest salt water lake at Rajasthan state in India; located in Naguar and Jaipur districts and Ajmer district border. It is an area of 96Km, surrounded by Arvalli hills. The water depths of this lake vary from 60 cm during dry season to about 3 m after the monsoons.The water from two major ephemeral streams namely Mendha, Runpangarh along with numerous rivulets and surface runoff feed the lake. which takes 50 days to evaporate, leaving behind crystallised salt.

 A 5.1 km long sandstone dam divides the lake basin. After salt water reaches a certain concentration, it will be released from the west side to the eastern side by lifting dam gates.the dam are salt evaporation ponds where salt has been farmed for a thousand years. The brine of this lake is unique, as it has got low potassium content. The first record of salt production from the lake dates back to 1500 years ago. The control of salt production passed from local communities to the Rajputs, the Mughals, the British and finally to Sambhar Salts Limited.