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Assam Districts 2026: Headquarters, Area & Census Data Assam has 35 districts in the official district framework reviewed for this 2026 guide. Their headquarters include familiar cities such as Guwahati, Silchar and Dibrugarh, along with places whose names differ from their districts, including Sonari, Haflong and Hatsingimari. The current list uses Sribhumi , the name that replaced Karimganj for both the district and its headquarters town. [1] [2] This guide brings together the Assam district list, district headquarters, historical area and population figures, recent naming changes and map-reading notes . It also explains an important distinction: a district’s present name does not necessarily describe the territory counted under that name in 2011. How to use the tables: The first table lists today’s 35 districts and headquarters. The second preserves the original 27-district Census 2011 framework for comparable area and population figures. Its numbers are historical st...

Wildlife & Protected Areas of Assam: National Parks, Sanctuaries, Tiger Reserves & Ramsar Sites Wildlife and protected areas of Assam represent one of the most remarkable conservation networks in India. Tropical forests, Brahmaputra floodplain grasslands, Himalayan foothills, wetlands, river islands, swamp forests and hill ecosystems support the greater one-horned rhinoceros, Bengal tiger, Asian elephant, wild water buffalo, pygmy hog, golden langur, hoolock gibbon, swamp deer, Gangetic river dolphin and hundreds of bird species. The extraordinary wildlife diversity of Assam is closely connected with the state's physiography . The Brahmaputra floodplain supports extensive grasslands and wetlands, the Himalayan foothills support dense forests and wildlife corridors, Upper Assam contains important evergreen rainforest, while Karbi Anglong, Dima Hasao and western Assam provide extensive hill-forest habitats. The Economic Survey, Assam 2025–26 reports a Protected Area N...

Natural Vegetation and Forests of Assam: Forest Types, Distribution & Resources Natural vegetation and forests of Assam are among the state's most important geographical and ecological resources. Heavy monsoon rainfall, warm temperatures, varied soils, extensive river systems, foothills, plateaus and hill ranges create exceptionally favourable conditions for a wide variety of forest and grassland communities. Assam contains tropical wet evergreen forests, semi-evergreen forests, moist deciduous forests, local dry forest formations, subtropical hill forests, pine forests, swamp vegetation, bamboo brakes and extensive riverine grasslands. Their geographical distribution is closely related to the physiography of Assam , particularly the Brahmaputra Valley, Barak Valley, Himalayan foothills, Karbi Anglong Plateau and Dima Hasao-Barail hill region. The latest India State of Forest Report 2023 records approximately 28,313.55 sq km of forest cover in Assam , equivalent to 36.1...

Natural Resources of Assam: Land, Water, Forests, Minerals, Energy & Biodiversity Natural resources of Assam form the physical and economic foundation of the state. Fertile alluvial land, the Brahmaputra and Barak river systems, abundant groundwater, forests, wetlands, petroleum, natural gas, coal, limestone, renewable energy and exceptional biodiversity together make Assam one of the most resource-diverse states of Northeast India. The geographical distribution of these resources is closely connected with the physiography of Assam . The Brahmaputra and Barak valleys contain fertile alluvial plains and extensive surface-water resources, while Karbi Anglong and Dima Hasao contain important forests, mineral deposits and hill ecosystems. Upper Assam's sedimentary basin contains petroleum, natural gas and coal. Assam covers approximately 78,438 sq km . According to the Assam Economic Survey 2025–26, the state's gross cropped area was about 40.88 lakh hectares and net cro...

Major Industries of Assam: Tea, Petroleum, Refineries, Petrochemicals, Fertilizer, Silk & Food Processing Major industries of Assam reflect the state's distinctive combination of agricultural resources, petroleum and natural gas deposits, plantation crops, traditional skills and strategic location within Northeast India. Tea, petroleum, oil refining, petrochemicals, fertilizer, silk and food processing form some of the most important components of Assam's industrial economy. The geographical distribution of industry is closely related to Assam's physical and resource base. The fertile and humid Brahmaputra Valley supports tea and agro-based industries, while the sedimentary formations of Upper Assam contain petroleum and natural gas. These resources have encouraged the development of oilfields, pipelines, refineries, petrochemical plants and fertilizer manufacturing. Traditional industries are equally important. Assam's Muga, Eri and Mulberry silk sectors su...

Population Geography of Assam: Growth, Density, Distribution, Literacy, Sex Ratio & Urbanisation Population geography of Assam examines how people are distributed across the state, how the population has grown over time, where population density is highest and lowest, and how demographic characteristics such as literacy, sex ratio, rural population and urbanisation vary geographically. Assam's population pattern is closely connected with its physical environment. The fertile alluvial plains of the Brahmaputra and Barak valleys support dense rural settlement, agriculture, towns and transport networks, while the more rugged hill districts generally have lower population densities. Guwahati and other urban centres form important concentrations of population because of administration, industry, trade, education, transport and services. According to Census 2011 , Assam had a total population of 31,205,576 . The state recorded a population density of 398 persons per sq km , a ...

Climate of Assam: Seasons, Temperature, Rainfall, Monsoon & Climatic Regions The climate of Assam is predominantly warm, humid and monsoonal, shaped by the state's location in Northeast India, the Southwest Monsoon, surrounding mountain ranges, extensive river valleys and varied relief. Heavy rainfall, high atmospheric humidity, comparatively mild winters and warm summers are the most important climatic characteristics of the state. Assam receives rainfall during almost every season, but the greatest share arrives during the Southwest Monsoon from June to September . Pre-monsoon thunderstorms during March, April and May are another distinctive climatic feature. These storms are popularly associated with Bordoisila or Bordoichila and often bring strong winds, thunder, lightning and intense rainfall. The state's climate is closely related to its physiography of Assam . The broad Brahmaputra Valley, wetter Barak Valley, Himalayan foothills, Karbi Anglong Plateau and Di...

Mines and Minerals of Assam: Petroleum, Natural Gas, Coal, Limestone & Mineral Distribution Mines and minerals of Assam have played a major role in the economic and industrial development of both Assam and Northeast India. The state possesses important deposits of petroleum, natural gas, coal and limestone , together with occurrences of iron ore, sillimanite, china clay, fireclay, granite, fuller’s earth, quartz and silica sand. These resources form an important component of the wider geography and natural resources of Assam . Among these resources, petroleum and natural gas are economically the most important. Assam occupies a special place in India's petroleum history because the country's first commercial crude-oil discovery was made at Digboi in 1889 . The Digboi Refinery, commissioned in 1901, remains India's oldest operating refinery. Coal is concentrated mainly in the Makum, Dilli-Jeypore, Mikir Hills and Singrimari coalfields , while important limestone ...

Biodiversity of Assam: Flora, Fauna, Forests and Conservation Assam is one of the most biologically diverse regions of India. Its location in Northeast India , together with the Brahmaputra and Barak river systems, extensive floodplains, wetlands, forests, grasslands and hill ranges, has created a remarkable variety of habitats. These ecosystems support a rich diversity of plants, mammals, birds, reptiles, amphibians, fishes, butterflies and other organisms. The biodiversity of Assam is particularly important because the state forms part of the Eastern Himalayan Biodiversity Region , one of India's major areas of biological significance. The combination of varied relief, warm and humid climate, abundant rainfall, river systems and different ecological habitats has contributed to the richness of Assam's flora and fauna. Assam is internationally famous for species such as the one-horned rhinoceros, Asian elephant, wild water buffalo, tiger, hoolock gibbon, golden langur and pyg...

Soils of Assam: Types, Distribution, Characteristics and Importance Assam is endowed with a remarkable variety of soils because of its diverse physiography , heavy monsoonal rainfall, river systems, geological formations and vegetation. The Brahmaputra and Barak valleys contain extensive alluvial soils, while the Himalayan foothills and the hill regions of Karbi Anglong and Dima Hasao contain piedmont, red and lateritic soils. The nature of Assam's soils has a direct influence on agriculture , tea cultivation , horticulture, forests , land use and rural livelihoods . The state's soils are generally rich in organic matter and nitrogen, but soil acidity, nutrient deficiencies, flooding and erosion are important limitations in many areas. This article presents a geographical study of the major soil types of Assam, their distribution, characteristics, agricultural importance and major problems of soil degradation . Soil Formation in Assam The formation and distribution of soils in...

Treaty of Yandabo (1826): Causes, Terms and Impact The Treaty of Yandabo was the peace agreement that ended the First Anglo-Burmese War (1824–1826) and marked a major turning point in the history of Northeast India . Signed on 24 February 1826 , the treaty resulted in Burma (present-day Myanmar) surrendering its claims over several territories, including Assam and Manipur , and strengthened British influence in the region. Background of the Treaty of Yandabo The First Anglo-Burmese War began on 5 March 1824 between the British East India Company and the Burmese Kingdom. The conflict was largely connected with territorial expansion, frontier disputes and Burmese influence in the northeastern territories of the Indian subcontinent. The British forces advanced deep into Burmese territory and eventually reached Yandabo , a village located about 80 kilometres from Ava , the Burmese capital at the time. Facing military pressure and the threat to their capital, the Burmese agreed to negot...