Linguistic Diversity in India: Understanding Linguistic Groups

Walk through any railway station in India and you will hear a dozen languages within minutes. This is not chaos but a defining feature of the country. With over 1,600 mother tongues recorded in census data, India is one of the most linguistically diverse nations on earth. Understanding how these languages are classified, recognised, and governed reveals a great deal about how the country balances unity with diversity. Linguistic groups, defined by the languages people speak, sit at the heart of this story.

What are linguistic groups? 🔗

A linguistic group refers to a community of people identified by the language they share. This includes their mother tongue (the language learned in childhood), the dialects they speak (regional varieties of a language), and the official languages used in government, education, and administration. A single state can contain several linguistic groups living side by side.

The distinction between a language and a dialect is often blurry and politically charged. There is an old observation in linguistics that a language is simply a dialect with an army and a navy. In the Indian context, this means that whether a way of speaking is counted as a separate language or merged into a larger one frequently depends on official decisions rather than pure linguistics.

Counting India’s languages: the Linguistic Survey 🔗

The first systematic attempt to document India’s languages came during colonial rule. The Linguistic Survey of India, supervised by the Irish linguist and civil servant George Abraham Grierson, was conducted between roughly 1898 and 1928. It remains a foundational reference for the study of Indian languages.

Grierson’s survey identified 179 languages and 544 dialects across British India, published in 11 volumes spread over 19 parts. He distinguished languages from dialects using a test of mutual unintelligibility, meaning that if speakers could not understand each other, their speech forms were treated as separate languages. The survey covered the languages of around 290 million people and grouped them into distinct language families.

Why the survey still matters 🔗

The maps and boundaries drawn by Grierson did more than record speech patterns. They were later used by political groups demanding the reorganisation of state boundaries along linguistic lines. A colonial documentation exercise thus became a tool in shaping the political map of independent India.

Languages in the census today 🔗

Modern figures come from the Census, and the numbers are striking. The 2011 Census recorded 19,569 raw returns of mother tongue names submitted by citizens. These were the labels people themselves used to describe how they communicate.

Census officials then applied a process called rationalisation. They scrutinised these raw returns and grouped them, producing 1,369 rationalised mother tongues. Names that could not be logically matched to known linguistic information were placed in an “other” category. The 1,369 mother tongues were then further grouped into 121 languages.

These 121 languages are presented in two parts: the 22 languages included in the Eighth Schedule of the Constitution, and 99 languages outside it. Notably, around 96.7 per cent of the population reported one of the 22 scheduled languages as their mother tongue.

The 10,000 speaker rule 🔗

One quiet rule shapes these numbers more than people realise. Since the 1971 Census, only mother tongues with at least 10,000 speakers are counted separately. Anything below that threshold disappears into a generic “others” category. This cut-off has no firm scientific basis, yet it determines which linguistic identities receive official visibility.

The Eighth Schedule and scheduled languages 🔗

The most important official classification of languages comes from the Eighth Schedule of the Constitution. This schedule lists the languages that receive formal recognition and state patronage. The constitutional provisions relating to it are found in Articles 344(1) and 351.

The Eighth Schedule currently contains 22 languages. When the Constitution came into force in 1950, it listed only 14: Assamese, Bengali, Gujarati, Hindi, Kannada, Kashmiri, Malayalam, Marathi, Odia, Punjabi, Sanskrit, Tamil, Telugu, and Urdu. These were chosen for their literary heritage and widespread use.

How the list grew 🔗

The list expanded through constitutional amendments over the decades. The progression unfolded as follows:

1967: Sindhi was added through the 21st Amendment, partly to recognise the Sindhi community that migrated to India during Partition.

1992: Konkani, Manipuri, and Nepali were added through the 71st Amendment.

2003: Bodo, Dogri, Maithili, and Santhali were added through the 92nd Amendment, bringing the total to 22. This was especially significant for tribal and regional communities.

What recognition brings 🔗

Inclusion in the Eighth Schedule is not merely symbolic. Scheduled languages become eligible for several benefits. Members of Parliament may use them, the Sahitya Akademi recognises them as literary languages, they appear as options in UPSC examinations, and they receive development funding from the central government.

The politics behind inclusion 🔗

Deciding which languages enter the Eighth Schedule is rarely a purely linguistic matter. The pressure is enormous. There are demands for the inclusion of 38 more languages, including Bhojpuri, Rajasthani, Tulu, Bhoti, and many others.

A committee under Sitakant Mohapatra was set up in 2003 to develop objective criteria for adding languages, and it submitted its report in 2004. Yet decisions remain pending, caught between linguistic merit and political calculation. A language with millions of speakers may wait for decades while smaller languages gain recognition, often because of organised community pressure or electoral considerations.

The case of Bhojpuri illustrates this well. Spoken by over 50 million people with its own cinema, literature, and theatre, Bhojpuri is still classified under Hindi in census data rather than recognised as a distinct scheduled language. The same applies to Rajasthani and Chhattisgarhi. This grouping inflates Hindi’s apparent speaker count and pushes other linguistic identities into the background.

Language families across the country 🔗

India’s languages belong to several broad families, which helps explain the deep differences between regions. According to the Language Atlas of India, the distribution by speakers is roughly:

Indo-European (Indo-Aryan): Around 78 per cent of the population, including Hindi, Bengali, Marathi, and Punjabi, concentrated largely in the north and east.

Dravidian: About 19.6 per cent, including Tamil, Telugu, Kannada, and Malayalam, dominant across southern India.

Austro-Asiatic: Roughly 1.1 per cent, including Santhali and other tribal languages.

Tibeto-Burman: About 1 per cent, spoken mainly in the northeast and Himalayan belt.

From language to statehood 🔗

Linguistic identity did not stay confined to census tables. It reshaped the political geography of the country. After independence, demands grew for states organised around language so that people sharing a tongue could govern themselves together.

The government initially resisted. The Dhar Commission in 1948 rejected language as a basis for states, and the JVP Committee in 1949, which included Nehru and Patel, warned that linguistic reorganisation might threaten national unity. The pressure proved difficult to contain.

The first linguistic state 🔗

The turning point came in 1953 with the creation of Andhra State for Telugu-speaking people, carved out of the Madras Presidency. This followed sustained agitation and set a precedent the rest of the country would follow.

The States Reorganisation Act 🔗

The States Reorganisation Commission, headed by Justice Fazl Ali, submitted its report in 1955. It accepted language as a key factor but firmly rejected the idea of “one language, one state”, stressing that unity, security, and administrative viability mattered too.

Based on these recommendations, the States Reorganisation Act of 1956 reorganised the country into 14 states and 6 Union Territories, largely along linguistic lines. This remains the single most extensive redrawing of state boundaries since independence. Later, states such as Gujarat, Maharashtra, and Karnataka took their present shape around their dominant linguistic communities.

Official languages at the centre and the states 🔗

Language recognition operates at two levels. At the national level, Hindi in the Devanagari script is the official language of the Union, with English continuing as an associate official language for government work. Importantly, the Constitution does not declare any “national language”, a common misconception.

At the state level, each state can adopt its own official language for administration and education. Tamil Nadu uses Tamil, West Bengal uses Bengali, Karnataka uses Kannada, and so on. This two-tier arrangement allows a Tamil speaker to interact with their state government in Tamil while a common link language operates at the national level. It is a practical compromise that lets a vastly multilingual country function without forcing a single tongue on everyone.

The arrangement is not free of tension. Debates over the imposition of Hindi, the status of English, and the recognition of regional languages continue to shape politics, especially in southern states. Language in India is never just about communication. It is tied to identity, dignity, and power.

What do you think? Should the census continue grouping languages like Bhojpuri and Rajasthani under Hindi, or should they be counted and recognised as distinct languages? And does organising states around language strengthen national unity, or does it risk deepening regional divides?

References

1. https://language.census.gov.in/showLSIGrierson
2. https://en.wikipedia.org/wiki/Linguistic_Survey_of_India
3. https://gulfnews.com/world/asia/india/census-more-than-19500-languages-spoken-in-india-as-mother-tongues-1.2244791
4. https://www.theindiaforum.in/article/what-census-obscures
5. https://www.drishtijudiciary.com/to-the-point/ttp-constitution-of-india/eighth-schedule-of-constitution-of-india
6. https://www.pib.gov.in/newsite/erelcontent.aspx?relid=5928
7. https://www.pmfias.com/eighth-schedule/
8. https://www.mha.gov.in/sites/default/files/Eighth_Schedule.pdf
9. https://www.deccanherald.com/opinion/the-nation-and-its-languages-3251161
10. https://ruralindiaonline.org/en/library/resource/language-atlas-of-india-2011/
11. https://www.drishtiias.com/daily-updates/daily-news-analysis/linguistic-reorganisation-of-states
12. https://en.wikipedia.org/wiki/States_Reorganisation_Act,_1956