Major deposits of gypsum are found in

Gypsum is an important amendment to the problem of alkaline soils widely occurring in the state of Rajasthan.
Gypsum is a soft sulphate mineral composed of calcium dehydrate. It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, blackboard or sidewalk chalk. Gypsum is a common mineral, with thick and extensive sedimentary rocks.