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A block is an administrative division of some South Asian countries.
In Bhutan, a block is called a gewog. It is essentially for oil a group of villages. Gewogs are official administrative units of Bhutan. The country is composed of 205 gewogs.
Each gewog is headed by a gup or headman.
Block is a district sub-division for the purpose of rural development department and Panchayati Raj institutes. Cities have similar arrangements under the Urban Development department. Tehsils (also called Taluks) are common across urban and rural areas for the administration of land and revenue department to keep tract of land ownership and levy the land tax.
For planning purpose, a district is divided into four levels:
A tehsil may consist of one or more number of blocks. Blocks are usually planning & development units of a district in addition to tehsils. A block represents a compact area for which effective plans are prepared and implemented through Gram Panchayats.
For example, Muzaffarnagar District of Uttar Pradesh has 9 blocks: Muzaffarnagar, Budhana, Baghra, Shahpur, Purquazi, Charthawal, Morna, Jansath, and Khatauli. 
The Block Development Officer is the official in charge of a block. Block Development Officer monitor the implementation of all programmes relating to planning and development of the blocks. Coordination of development and implementation of plans in all blocks of a district is provided by a Chief Development Officer (CDO). BDO's office is the main operational wing of the government for the development administration as well as regulatory administration.
Kanpur or Cawnpore is an industrial city in the central-western part of the state of Uttar Pradesh, India. Founded in 1207, Kanpur became one of the most important commercial and military stations of British India. Kanpur was also the financial capital of Uttar Pradesh. Nestled on the banks of Ganges River, Kanpur stands as the major financial and industrial centre of North India and also the ninth-largest urban economy in India. Today it is famous for its colonial architecture, gardens, parks and fine quality leather, plastic and textile products which are exported mainly to the West.
Sultanpur district is a district in the Awadh region of the Indian state of Uttar Pradesh. This district is a part of Faizabad division in Uttar Pradesh. The administrative headquarters of the district is Sultanpur city. The total area of Sultanpur district is 2672.89 Sq. km.
The National Capital Region (NCR) is a planning region centred upon the National Capital Territory (NCT) of Delhi in India. It encompasses Delhi and several districts surrounding it from the states of Haryana, Uttar Pradesh and Rajasthan. The NCR and the associated National Capital Region Planning Board (NCRPB) were created in 1985 to plan the development of the region and to evolve harmonized policies for the control of land-uses and development of infrastructure in the region. Prominent cities of NCR include Delhi, Faridabad, Ghaziabad, Gurugram, and Noida.
Mahoba district is one of the districts of Uttar Pradesh state of India and Mahoba town is the district headquarters. Mahoba district is a part of Chitrakoot Division. The district occupies an area of 2884 km². It has a population of 875,958. As of 2011 it is the least populous district of Uttar Pradesh. Mahoba District is also known as Alha-Udal Nagari.
Moradabad district is one of the districts of Uttar Pradesh, India. Moradabad is the district headquarters. Moradabad district is a part of Moradabad division. It is used to be the second most populous district of Uttar Pradesh, after Prayagraj till a new district Sambhal was carved out of it in 2011.
Meerut district, is one of the districts of Uttar Pradesh state of India, and Meerut is the district headquarters. Meerut district is also a part of the Meerut division. The administrative head of district of Meerut is a District Magistrate while the administrative head of Meerut Division is Divisional Commissioner, an IAS officer.
The administrative divisions of India are subnational administrative units of India; they are composed of a nested hierarchy of administrative divisions.
Panchayat samiti is a rural local government (panchayat) body at the intermediate tehsil (taluka/mandal) level in India. It works for the villages of the tehsil that together are called a development block. It has been said to be the "panchayat of panchayats".
Panchayati Raj is the system of local self-government of villages in rural India as opposed to urban and suburban municipalities.
Nawabganj is a Nagar palika and an administrative subdivision of Bareilly district in the Indian state of Uttar Pradesh. A Sub Divisional Magistrate, also called Sub Divisional Officer, or pargana-adhikari is the head official.
Itahar is a community development block that forms an administrative division in Raiganj subdivision of Uttar Dinajpur district in the Indian state of West Bengal.
A tehsil is a local unit of administrative division in some countries of South Asia. It is a subdistrict of the area within a district including the designated populated place that serves as its administrative centre, with possible additional towns, and usually a number of villages. The terms in India have replaced earlier terms, such as pargana (pergunnah) and thana.
Local government in India refers to governmental jurisdictions below the level of the state.Local self-government means that residents in towns, villages and rural settlements are the people elect local councils and their heads authorising them to solve the important issues. India is a federal republic with three spheres of government: central, state and local. The 73rd and 74th constitutional amendments give recognition and protection to local governments and in addition each state has its own local government legislation. Since 1992, local government in India takes place in two very distinct forms. Urban localities, covered in the 74th amendment to the Constitution, have Nagar Palika but derive their powers from the individual state governments, while the powers of rural localities have been formalized under the panchayati raj system, under the 73rd amendment to the Constitution.
In India, a Community development block or simply Block is a sub-division of Tehsil, administratively earmarked for planning and development. The area is administered by a Block Development Officer (BDO), supported by several technical specialists and village-level workers. A community development block covers several gram panchayats, the local administrative units at the village level.
The Zila Panchayat or District Development Council or Mandal Parishad or District Panchayat is the third tier of the Panchayati Raj system and functions at the district levels in all states. A Zila Parishad is an elected body. Block Pramukh of Block Panchayat are also represented in Zila Parishad. The members of the State Legislature and the members of the Parliament of India are members of the Zila Parishad. The Zila parishad acts as the link between the state government and the village-level Gram Panchayat.
The Block Pramukh (president) of Panchayat samiti is a tier of the Panchayati raj system. It is a rural local government body at the Tehsil (taluka) level in India. It works for the villages of the tehsil that together are called a development block. The Panchayat Samiti is the link between the gram panchayat (village council) and the zila parishad (district board). There are a number of variations in the name of this institution in the various states. For example, it is known as Kshetra Panchayat in Uttar Pradesh, Mandal Parishad in Andhra Pradesh, Taluka Panchayat in Gujarat, Block Panchayat in Kerala and Mandal Panchayat in Karnataka.
Sonpur Community development block is a rural area earmarked for administration and development in Saran district. The area is administered by a Block Development Officer. It is the second largest Block of Saran district in terms of population. A community development block covers several gram panchayats, Panchayat Samiti (Block), Primary Agricultural Co-operative societies (PACS) and other local administrative unit at the village level. It is represented by Sonpur Vidhan Sabha constituency in Bihar Legislative Assembly and Saran Lok Sabha constituency in Indian parliament. Currently, C.D.Blocks are administrative units of 3rd level in Bihar state of India. Sonpur nagar panchayat was established in 2002. The civic body election in Sonpur nagar panchayat was held in May 2017. The term of office-bearers is for 5 years.
Bichhiya is a village and corresponding community development block in Unnao district of Uttar Pradesh, India. Located about 16 km southeast of Unnao on the main road to Purwa, it also serves as the seat of a nyaya panchayat and has an Ayurvedic dispensary, a veterinary hospital, an artificial insemination centre, and a family planning centre. The main crops are wheat, gram, barley, juwar, and paddy, and irrigation is largely provided by canal. As of 2011, the village's population is 2,347, in 482 households.
Sumerpur is a hamlet of the village Chhanchhi Rai Khera, in Purwa tehsil of Unnao district, Uttar Pradesh, India. Located 26km south of Purwa and 50km southeast of Unnao, Sumerpur serves as the headquarters of a community development block as well as a nyaya panchayat. Sumerpur block was first established on 2 October 1955 in order to oversee implementation of India's Five-Year Plans at a local and rural level. As of 2011, the block comprises 148 villages and has a total population of 151,933 people in 28,469 households.