Deori is a community development block (CD block) that forms an administrative division in the Khori Mahuwa subdivision[1] of the Giridih district in the Indian state of Jharkhand.

The western portion of the district is part of a larger central plateau.

The rest of the district is a lower plateau, a flat table land with an elevation of about 1,300 feet.

The Pareshnath Hills or Shikharji rises to a height of 4,480 feet in the south-eastern part of the district.

[6]As of 2016[update], Giridih was identified as one of the 13 focus areas by the state police to check Maoist activities.

[7] In 2017, the Moists, in Giridih district, have torched more than 50 vehicles engaged in road construction or carrying goods.

[13] Gram panchayats in Deori CD block are:Khatori, Jamkhukharo, Chiknadih, Manikbad, Bairiya, Barwabad, Salaiyadih (Khorodih), Marudih, Harladih, Dhengadih, Sikrudih, Tilakdih, Bhelwaghati, Guniyathar, Ghaskaridih, Ghose, Jamdiha, Asko, Nekpur, Parsatand, Bedodih, Hariyadih, Chahal, Chatro, Gadidighi, Bansdih and Kosogondo Dighi.

[13] According to the 2011 Census of India, Deori CD block had a total population of 182,527, all of which were rural.

The gender disparity (the difference between female and male literacy rates) was 30.81%.

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.

It includes factory, mining, plantation, transport and office workers, those engaged in business and commerce, teachers, entertainment artistes and so on.

The soil is generally rocky and sandy and that helps jungles and bushes to grow.

Other important crops grown are: maize, wheat, sugar cane, pulses and vegetables.

The fund created by the Government of India is designed to redress regional imbalances in development.