Ethnic Elements in Indian Population: Understanding Diversity in Indian Society

Open any conversation about Indian society and the word “diversity” comes up within minutes. But diversity here isn’t just about languages or festivals. Anthropologists studying the Indian population look at something more specific: ethnic elements. These are groups formed by a mix of biological traits and shared social or cultural practices, and in India, this umbrella covers four broad categories – Scheduled Castes, Scheduled Tribes, communities defined by region or religion, and traditional occupational groups. Understanding how these categories work, and where they overlap, helps explain why Indian society looks the way it does today.

What counts as an ethnic group in India 🔗

An ethnic group isn’t defined by one factor alone. It forms when people share physical or biological characteristics along with common socio-cultural markers – language, customs, rituals, and a sense of shared identity passed down through generations. In the Indian context, this broad idea gets divided into four practical categories that anthropologists and the Indian state both use: Scheduled Castes, Scheduled Tribes, communities, and occupational groups. Each of these developed through a different historical process, yet all of them shape how a person’s identity, opportunities, and social standing get defined even today.

Scheduled castes and the idea of caste 🔗

The word “caste” itself isn’t Indian in origin. It comes from the Portuguese “casta,” rooted in the Latin “castus,” meaning pure or chaste. Portuguese traders used this term to describe the ranked, occupation-linked social divisions they observed among Hindu communities in western and southwestern India. Over time, “caste” became the standard English word for what Indian society had long called jati.

One of the most cited definitions of caste comes from British ethnographer Herbert Risley, who led the 1901 census. He described caste as a collection of families bearing a common name, claiming descent from a shared ancestor (human or divine), following the same hereditary occupation, and recognised by others as a single, homogeneous community. This 1915 definition still shapes how caste is taught and discussed in Indian anthropology classrooms.

The defining features of the caste system 🔗

Caste isn’t a single rule; it’s a bundle of interlinked practices. A few features consistently show up across regions and communities:

Hierarchy: Castes are ranked relative to one another, traditionally based on notions of purity and pollution, with some groups placed above others in social esteem.

Endogamy and hypergamy: Marriage is expected to happen within one’s own caste (endogamy). Some communities also permit hypergamy, where a woman marries into a caste ranked slightly higher than her own.

Occupational association: Each caste was traditionally linked to a hereditary occupation – pottery, weaving, priestly duties, or agriculture, for instance – passed down through families.

Food restrictions: Rules around who can share food, water, or utensils with whom developed as another way of maintaining social distance between castes.

Dress and speech distinctions: In many regions, clothing styles, jewellery, and even dialects historically signalled which caste a person belonged to.

Customs and rituals: Birth, marriage, and death ceremonies often followed caste-specific rules and rites.

Caste mobility: Despite the rigidity often associated with caste, movement was possible. Communities could improve their social ranking over generations through economic success, adopting upper-caste customs, or migration – a process sociologists later termed Sanskritisation.

Scheduled tribes: India’s original inhabitants 🔗

Where caste organises Hindu society through occupation and hierarchy, tribes represent a distinct social formation altogether. The Imperial Gazetteer of India offered one of the earliest formal definitions, describing a tribe as a collection of families that share a common name, speak a common dialect, occupy or claim to occupy a shared territory, and are not typically endogamous, though they may once have been.

Tribal communities in India go by several names depending on context: aborigines, autochthones, indigenous people, adivasis, and girijan are all used, sometimes interchangeably. Government publications note that terms like vanyajati (castes of the forest), vanvasi (forest dwellers), and janjati (folk people) have all been used historically, though “adivasi” and the constitutional term “Scheduled Tribe” are the most widely recognised today.

What tribal communities have in common 🔗

Despite huge regional variation, certain traits recur across most tribal groups in India:

Homogeneity: Members typically share a common ancestry, language, and cultural practices within the group.

Oral traditions: Knowledge, history, and customs are passed down through spoken word rather than written text.

Egalitarianism: Tribal societies often show less rigid social stratification compared to caste-based communities, though this varies by group.

Simple technology: Traditional tools and farming or foraging methods, adapted to local ecology, remain central to many tribal economies.

Barter economy: Exchange of goods and services without currency has historically been common in many tribal settings, particularly in remote regions.

On the numbers: the 2001 Census recorded Scheduled Tribes at roughly 8.2 per cent of India’s population, a figure that rose slightly to 8.6 per cent by 2011, with over 700 distinct ethnic groups notified as Scheduled Tribes across the country. These communities are concentrated most heavily in Madhya Pradesh, Odisha, Bihar, Gujarat, Rajasthan, Maharashtra, and West Bengal, with the central Indian belt and the northeastern states together accounting for the bulk of India’s tribal population. The criteria used to officially recognise a community as a Scheduled Tribe – drawn from the Lokur Committee’s recommendations – include indications of primitive traits, a distinctive culture, geographical isolation, reluctance to interact with outside communities, and general socio-economic backwardness, though these criteria have faced growing criticism for being outdated and reductive.

Communities: grouped by region, religion and language 🔗

Not every population group in India fits neatly into “caste” or “tribe.” A large section of Indian society is instead classified simply as a community, grouped along three broad lines.

Regional communities form around shared geography and cultural identity – Punjabis, Bengalis, and Maharashtrians are typical examples, where identity is tied more to homeland and shared regional customs than to caste or tribal origin.

Religious communities group people by shared faith rather than ancestry or occupation – Hindus, Muslims, Sikhs, Christians, and others fall into this category, each internally diverse but externally recognised as a distinct social group.

Linguistic communities form around a shared mother tongue, such as Telugu, Tamil, or Gujarati speakers, where language itself becomes the primary marker of collective identity, often cutting across caste and religious lines.

This classification matters because it captures millions of people whose identity is shaped more by where they’re from, what they believe, or what language they speak, rather than by hereditary occupation or tribal ancestry.

Traditional occupational groups and the chatur-varna system 🔗

The fourth category ties directly back to India’s ancient occupational guild system, rooted in the chatur-varna model. This four-fold division split society into Brahmans (priests and scholars), Kshatriyas (rulers and warriors), Vaishyas (traders and agriculturists), and Shudras (labourers and service providers), with each varna traditionally assigned specific duties: Brahmans were expected to study and advise, Kshatriyas to protect, Vaishyas to cultivate and trade, and Shudras to serve the other three groups.

Over centuries, this four-fold varna framework expanded into thousands of occupational sub-groups, or jatis, each tied to a specific trade or craft – potters, weavers, blacksmiths, barbers, and washermen all formed their own hereditary occupational communities. Social status within this system wasn’t distributed evenly. Manual labour and tasks considered ritually polluting – such as swine-herding, scavenging, and butchery – were graded at the bottom of the social order, with the communities performing these tasks historically pushed to the margins of caste society altogether. This grading of occupations by perceived purity became one of the most consequential and long-lasting features of India’s traditional social structure, and its effects on access to education, land, and opportunity are still studied and debated today.

Taken together, these four categories – caste, tribe, community, and occupational group – don’t operate in isolation. They overlap, interact, and sometimes blur into one another, which is exactly why understanding India’s ethnic composition requires looking at all four rather than picking just one lens.

What do you think? Do you think classifications like caste, tribe, and community still accurately capture how people identify themselves in India today, or has this changed with urbanisation and migration? And how much of the traditional occupation-caste link do you see holding up in your own city or town?

References

1. https://www.britannica.com/topic/caste-social-differentiation
2. https://ebooks.inflibnet.ac.in/antp04/chapter/definition-criteria-of-caste-system/
3. https://egyankosh.ac.in/bitstream/123456789/71385/1/Unit-1.pdf
4. https://trifed.tribal.gov.in/introduction
5. https://pmc.ncbi.nlm.nih.gov/articles/PMC6607830/
6. https://www.clearias.com/scheduled-tribes-in-india/
7. https://www.britannica.com/topic/varna-Hinduism