Construction Development Corporation Limited came into existence out of a decision of the RGOB to corporatize the Mechanical Division of the Department of Roads under the Ministry of Works and Human Settlement. The Division got separated from the Department and started functioning as a self sustaining commercial unit from 1st July 2006. Currently CDCL has one operational stone quarry at Kilikhar, Mongar with installed production capacity of 80,000 cum of stone aggregate per annum and one surface collection project at Goiree. Proposal for setting up two more quarries and crushing units at Mangdechu and Mukajore and are under process.