Castes numbered 14,020 (8.01%) and Scheduled Tribes numbered 41,591 (23.75%). Literacy census the total number of literate persons in Gandey CD block was 77,685 (56.30% of the population over 6 years) out of which males numbered 49,994 (69.90% of the male population over 6 years) and females numbered 27,691 (41.66% of the female population over 6 years). The gender disparity (the difference between female and male literacy rates) was 28.24%. census, literacy in Giridih district was 63.14% 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 and religion Khortha is the main spoken language. Hindi is the official language. Urdu and Santali are also spoken. Rural poverty 40-50% of the population of Giridih district were in the BPL category in 2004–2005, being in the same category as Godda, Koderma and Hazaribagh districts. Rural poverty in Jharkhand declined from 66% in 1993–94 to 46% in 2004–05. In 2011, it has come down to 39.1%. Economy Livelihood In Gandey CD block in 2011, amongst the class of total workers, cultivators numbered 17,656 and formed 24.96%, agricultural labourers numbered 37,447 and formed 52.93%, household industry workers numbered 1,955 and formed 2.76% and other workers numbered 13,684 and formed 19.34%. Total workers numbered 70,742 and formed 40.40% of the total population, and non-workers numbered 104,345 and formed 59.60% 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 266 inhabited villages in Gandey CD block. In 2011, 143 villages had power supply. 1 village had tap water (treated/ untreated), 260 villages had well water (covered/ uncovered), 260 villages had hand pumps, and all villages had drinking water facility. 25 villages had post