20,289 (54.36% of the female population over 6 years). The gender disparity (the difference between female and male literacy rates) was 20.05%. census, literacy in Ranchi district was 77.13%. Literacy in Jharkhand was 67.63% in 2011. Literacy in India in 2011 was 74.04%. See also – List of Jharkhand districts ranked by literacy rate Language and religion In the block 55,259 (61.47%) are Hindus, 21,857 (24.32%) are other religions (mainly Sarna), 11,045 (12.29%) Muslims, and 1,060 (1.18%) Christians At the time of the 2011 census, 79.37% of the population spoke Sadri, 7.84% Urdu, 5.48% Hindi, 2.99% Kurukh, 2.05% Santali and 1.31% Mundari as their first language. Hindi is the official language in Jharkhand and Urdu has been declared as an additional official language. The percentage of Scheduled Tribes in Ranchi district, in 2011, was 47.67% of the population (rural) in the blocks. The percentage of Scheduled Tribes, numbering 1,042,016, in the total population of Ranchi district numbering 2,914,253 in 2011, was 35.76%. The Oraons forming 18.20% of the population and the Mundas forming 10.30% of the population, were the main tribes. Other tribes included (percentage of population in brackets) Lohra (2.46), Bedia (1.32) and Mahli (1.09). Rural poverty 60-70% of the population of Ranchi district were in the BPL category in 2004–2005. In 2011-12, the proportion of BPL population in Ranchi district came down to 27.82%. According to a study in 2013 (modified in 2019), "the incidence of poverty in Jharkhand is estimated at 46%, but 60% of the scheduled castes and scheduled tribes are still below poverty line." Economy Livelihood In Burmu CD block in 2011, amongst the class of total workers, cultivators numbered 21,241 and formed 52.12%, agricultural labourers numbered 13,776 and formed 33.80%, household industry workers numbered 845 and formed 2.07% and other workers numbered 4,893 and formed 12.01%. Total workers numbered 40,755 and formed 45.34% of the total population, and non-workers numbered 49,134 and formed 54.66% of the population. Infrastructure There are 77 inhabited villages in Burmu CD block. In 2011, 43 villages had power supply. 3 villages had tap water (treated/ untreated), 77 villages had well water (covered/ uncovered), 76 villages had hand pumps, and all villages have drinking water facility. 18 villages had post offices, 9 villages had sub post offices, 3 villages had telephones (land lines), 34 villages had mobile phone coverage. 58 villages had pucca (paved) village roads, 18 villages had bus