revenue collection in previous fiscal year was . Mineral royalty and other minerals Mineral royalty: 2011–12: 2012–13: Other minerals: Limestone: Isolated patches of limestone occur along a belt extending east and west parallel with the coalfields. Iron ore: In the Ramgarh, Bokaro and Karanpura coalfields, nodules and lenticles of iron ore are found. At one time these were used by indigenous smelters. The first auction ("Composite License" [Prospecting License- cum-Mining Lease]) of any mineral block in the country after the commencement of MMDR act 2015 was held by the Jharkhand government in the District of Ramgarh. The two limestone blocks are: Hariharpur Lem Bicha block I Hariharpur Lem Bicha block II Burnpur Cement, Patratu, was the successful bidder. Industries and agriculture Industries Ramgarh is an important industrial district of East India. Several mineral-based industries like steel, sponge iron, cement, refractory and thermal power plants are established due to the availability of coal and other minerals. Agriculture The main occupation of the people of Ramgarh is farming. There are three main agricultural seasons in the district: kharif, rabi, and zaid. Rice, maize, ragi, fruits and vegetables are the main crops of the district. Soils, climate, forests and wildlife Soils and climate There are mainly two types of soil, red soil and sand loam. In terms of climate, the area lies in the sub-humid region of Chotanagpur Plateau and has a semi-extreme type of climate. The day temperature rises to around during the summers and drops to around during the winter. The winter season broadly runs from November to February, the hot season from March to May, and the rainy season from June to October. Forests and wildlife The forest area of the district is . The district is rich in flora and fauna. The government has planned a deer park in the district. The park will come up on on Gola-Muri Road in Gola block. 30 villages in the district are affected by elephants. Demographics According to the 2011 census, Ramgarh district has a population of 949,443, roughly equal to the nation of Fiji or the US state of Delaware. This gives it a ranking of 459th in India (out of a total of 640). The district has a population density of . Its population growth rate over the decade 2001-2011 was 13.06%. Ramgarh has a sex ratio of 921 females for every 1000 males, and a literacy rate of 73.92%.