RSMML Mining of Rock phosphate, gypsum, Lignite ...
Mining Limestone: SANU LIMESTONE UNIT, JAISLAMER. H igh quality Limestone is a technological necessity for Steel Plants with the basic oxygen furnance technology where it is used as a flux. After the closure of limestone quarries at Dehradun by the historic judgment of the Hon''ble Supreme Court the limestone from Jaisalmer found enormous importance in the Steel Industry.