0–6 years was 8,026. Scheduled Castes numbered 1,038 (2.11%) and Scheduled Tribes numbered 40,389 (82.20%). Literacy According to the 2011 census, the total number of literate persons in Dumri CD block was 28,704 (69.83% of the population over 6 years) out of which males numbered 16,194 (77.87% of the male population over 6 years) and females numbered 12,510 (61.59% of the female population over 6 years). The gender disparity (the difference between female and male literacy rates) was 16.29%. 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 Dumri subdistrict, Kurukh was the mother-tongue of 28,370 persons forming 57.74% of the population, followed by (number of persons and percentage of population in brackets), Hindi (20,266/ 41.24%), Mundari (418/ 7.74%), persons with other languages as mother-tongue(500/ 1.02%). Persons with Hindi as mother-tongue included 16,864 persons having Sadri/ Sadan, 2,087 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 Dumri subdistrict, Christians numbered 25,502 and formed 51.90% of the population, followed by: (number of persons and percentage of population in brackets) ‘Other religious communities’ (13,123/ 26.71%), Hindus (9,530/ 19.40%), Muslims (740/ 1.51%), and persons who did not state their religion (239/ 0.49%). 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%). In the pat region primitive tribes, Korba, Asur and Birhor, have been living for centuries. The local administration and the state government have first