in Raidih CD block was 41,205 (68.98% of the population over 6 years) out of which males numbered 23,166 (77.80% of the male population over 6 years) and females numbered 18,039 (60.21% of the female population over 6 years). The gender disparity (the difference between female and male literacy rates) was 17.59%. census, literacy in Gumla district was 66.92%. 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 According to the Population by Mother Tongue 2011 data, in the Raidih subdistrict, Hindi was the mother-tongue of 48,476 persons forming 68.11% of the population, followed by (number of persons and percentage of population in brackets), Kurukh (18,435/ 25.90%). Kharia (2,888/ 4.06%), Urdu (665/ 0.93%), Mundari (576/ 0.81%), persons with other languages as mother-tongue (13/ 0.19%). Persons with Hindi as mother-tongue included 40,540 persons having Sadri/ Sadan, 5,004 persons having Nagpuri as mother-tongue. Note: An attempt has been made to include all language groups each with at least 300 persons as their mother-tongue and only those groups with less than 300 persons as their mother-tongue in the census data are normally included in the “other languages” category. Comparatively smaller language groups with 200+ persons as their mother-tongue are mentioned in the text. Many languages have sub-groups. Those who are interested can see the reference for more details. Hindi is the official language in Jharkhand and Urdu has been declared as an additional official language. According to the Population by Religious Communities 2011 data in the Raidih subdistrict, Hindus numbered 27,125 and formed 37.97% of the population, followed by: (number of persons and percentage of population in brackets) Christians (22,815/ 31.95%), ‘Other religious communities’ (19,129/ 26.78%), Muslims (2,183/ 3.06%), and persons who did not state their religion (191/ 0.27%). Scheduled Tribes numbered 706,754 and formed 68.94% of the total population of Gumla district. Within the scheduled tribes the more populous tribes were (percentage of ST population in 2011 in brackets): Oraon, Dhangars (62.63%), Munda, Patars (11.70%), Kharia, Dhelki Kharia, Dudh Kharia, Hill Kharia (9.07%), Lohras (5.77%) and Chik Baraik (2.57%). Economy Overview 80% and over of the population of Gumla district were in the BPL category in 2004–2005. In 2011–12, the proportion of BPL population in Gumla district came down to 36.75%. According to a study in 2013 (modified in 2019), "the incidence of