males numbered 39,976 (87.09% of the male population over 6 years) and females numbered 29,567 (70.27% of the female population over 6 years). The gender disparity (the difference between female and male literacy rates) was 16.82%. census, literacy in Bokaro district was 73.48% , Literacy in Jharkhand was 66.41% in 2011. Literacy in India in 2011 was 74.04%. See also – List of Jharkhand districts ranked by literacy rate Language Hindi is the official language in Jharkhand and Urdu has been declared as an additional official language. Jharkhand legislature had passed a bill according the status of a second official language to several languages in 2011 but the same was turned down by the Governor. In the 2001 census, the three most populous mother tongues (spoken language/ medium of communication between a mother and her children) in Bokaro district were (with percentage of total population in brackets): Khortha (41.08%), Hindi (17.05%) and Santali (10.78%). In the 2011 census, scheduled tribes constituted 12.40% of the total population of the district. The five most populous mother tongues were (with percentage of ST population in brackets): Santali (70.12%), Munda (17.05%), Oraon (5.90%), Karmali (4.23%) and Mahli (3.23%). Economy Livelihood In Bermo CD block in 2011, amongst the class of total workers, cultivators numbered 1,758 and formed 3.41%, agricultural labourers numbered 943 and formed 1.83%, household industry workers numbered 986 and formed 1.91% and other workers numbered 47,804 and formed 92.84%. Total workers numbered 51,491 and formed 27.13% of the total population, and non-workers numbered 138,286 and formed 72.87% of the population. Note: In the census records a person is considered a cultivator, if the person is engaged in cultivation/ supervision of land owned. When a person who works on another person's land for wages in cash or kind or share, is regarded as an agricultural labourer. Household industry is defined as an industry conducted by one or more members of the family within the household or village, and one that does not qualify for registration as a factory under the Factories Act. Other workers are persons engaged in some economic activity other than cultivators, agricultural labourers and household workers. It includes factory, mining, plantation, transport and office workers, those engaged in business and commerce, teachers, entertainment artistes and so on. Infrastructure There are 3 inhabited villages in Bermo CD block. In 2011, all 3 villages had power supply, drinking water facility, pucca (hard