The State of Chhatisgarh was formed on 1st November 2000, by the bifurcation of Madhya Pradesh. Tribals constitute 32.5 per cent of the population. It is a hilly region and forests cover 45 per cent of the land area. About 0.95 million hectares of the land is under irrigation. Agriculture provides livelihood to 80 per cent of the population. The main agricultural produce of the region is rice, maize, millets, vegetables and fruits, timber, bamboo and tendu. The State has rich mineral resources of dolomite, iron ore, coal, bauxite, limestone, diamond, alexenderite, corrundum, tin and gold. Main industries of the State are steel, aluminium and cement. Summers are hot and dry, winters are mild, and the average annual rainfall is 95.4 cm.