The tribal population in Andaman and Nicobar Islands belongs to the

1. Major Racial Classifications of Humanity (basic)

To understand world ethnic groups, we must first look at the Major Racial Classifications of humanity. Anthropologically, a 'race' refers to a group of people who share distinct physical characteristics—such as skin color, hair texture, and facial features—inherited through biological lineage. While modern science emphasizes that all humans belong to the same species, Homo sapiens, geographic isolation over millennia led to the development of unique physical 'strains.' As noted in Geography of India, Cultural Setting, p.6, India is often described as a 'cradle land of humanity' because it has acted as a melting pot where these various racial waves met and intermingled, leading to a complex racial admixture rather than 'pure' races.

The primary racial groups recognized in the Indian and global context include the Negrito, Mongoloid, Caucasoid, and Australoid. Each has a specific 'signature' in terms of appearance and migration history. For instance, the Negritoes are believed to be the earliest arrivals in India, characterized by very short stature, dark skin, and 'frizzy' hair—traits they share with groups in the Malaysian Peninsula like the Semangs Geography of India, Cultural Setting, p.10. In contrast, the Mongoloid race is identified by yellowish skin, flat faces, and 'oblique eyes' (the epicanthic fold), largely populating the Himalayan and North-Eastern belts Geography of India, Cultural Setting, p.11.

Racial Group	Key Physical Traits	Indian Examples/Regions
Negrito	Short stature, frizzy hair, dark skin, bulbous forehead.	Andamanese, Kadars (Kerala), Irulas (Tamil Nadu).
Mongoloid	Light yellow skin, oblique eyes, flat face, scanty body hair.	Tribes of Arunachal Pradesh, Assam, and Sikkim.
Caucasoid	Fair complexion, tall stature, long head, narrow nose.	Predominant in North-West India (e.g., Kashmir, Punjab).
Australoid	Dark skin, wavy hair (not frizzy), broad nose.	Many Central Indian tribes (e.g., Santhals, Mundas).

Understanding these classifications is vital because it explains the spatial distribution of India’s population. For example, while the Mongoloids are divided into sub-groups like Palaeo-Mongoloids and Tibeto-Mongoloids Geography of India, Cultural Setting, p.11, the Caucasoid influence is more prominent in the Indo-Aryan speaking regions. This diversity is not just a matter of history; it shapes the cultural and demographic fabric of the country today.

Sources: Geography of India (Majid Husain), Cultural Setting, p.6; Geography of India (Majid Husain), Cultural Setting, p.10; Geography of India (Majid Husain), Cultural Setting, p.11

2. The Racial Mosaic of India (intermediate)

To understand the social fabric of India, we must first view the subcontinent as a vast 'ethnological museum.' India’s population is not a single monolith but a complex racial mosaic formed by successive waves of migration spanning thousands of years. Anthropologists generally agree that India served as a major crossroads for human movement from Africa, the Mediterranean, Central Asia, and Southeast Asia Geography of India, Cultural Setting, p.6. Because of this continuous movement and subsequent blending, there are virtually no 'pure' races in India today; instead, we see a unique racial admixture where different physical traits overlap across regions.

The racial history of India can be understood through the sequence of these migrations. The Negritoes are considered the earliest inhabitants, followed by the Proto-Australoids, who are the ancestors of many central Indian tribes like the Bhils, Mundas, and Santhals Geography of India, Cultural Setting, p.10. Later, the Mongoloid groups entered through the northeastern corridors, while Mediterranean and Nordic (Indo-Aryan) groups entered from the northwest. This final wave of Nordics, arriving around the second millennium BC, significantly influenced the linguistic and social structures of Northern India Geography of India, Cultural Setting, p.13.

Racial Group	Key Physical Traits	Representative Regions/Tribes
Negrito	Short stature, dark skin, frizzy hair	Andaman Islands, Kadar (Kerala)
Proto-Australoid	Dark brown skin, wavy hair, broad nose	Munda, Santhal, Bhil tribes
Mongoloid	Yellowish skin, flat face, epicanthic eye fold	North-east India, Ladakh, Nicobar
Nordic (Indo-Aryan)	Tall stature, fair complexion, long head	Punjab, Haryana, Upper castes of North India

Sources: Geography of India (Majid Husain), Cultural Setting, p.6; Geography of India (Majid Husain), Cultural Setting, p.10; Geography of India (Majid Husain), Cultural Setting, p.13

3. Constitutional Framework for Indian Tribes (intermediate)

The Indian Constitution adopts a unique approach to tribal welfare, blending protective discrimination with administrative autonomy. Interestingly, the Constitution does not define the term 'tribe' itself. Instead, under Articles 341 and 342, the President of India is empowered to specify which communities are 'Scheduled Tribes' (STs) for a particular State or Union Territory, following consultation with the Governor D. D. Basu, Introduction to the Constitution of India, Minorities, Scheduled Castes and Scheduled Tribes, p.457. Once this list is notified, any subsequent inclusions or exclusions can only be made through an Act of Parliament, ensuring a stable and objective identification process. To preserve the distinct ethnic identity and social structures of these groups, the Constitution provides a 'dual' administrative framework under Article 244 in Part X. This divides tribal administration into two distinct categories based on geography and history:

Feature	Fifth Schedule	Sixth Schedule
Applicability	Scheduled Areas in any state except the four North-Eastern states.	Specifically for 'Tribal Areas' in Assam, Meghalaya, Tripura, and Mizoram.
Governance	Focuses on the 'administration and control' of tribal areas M. Laxmikanth, Indian Polity, Scheduled and Tribal Areas, p.415.	Provides for Autonomous District Councils with legislative and judicial powers.

Beyond administration, the Constitution ensures political representation through Article 330 (Lok Sabha) and Article 332 (State Legislative Assemblies), where seats are reserved in proportion to the ST population. Similarly, Article 243D mandates seat reservations in Panchayats, including a specific sub-reservation for ST women (at least one-third of the reserved seats) D. D. Basu, Introduction to the Constitution of India, Panchayats, p.319. These political safeguards, originally intended to be temporary, have been extended periodically and currently stand valid until January 25, 2030 (via the 104th Amendment Act) D. D. Basu, Introduction to the Constitution of India, Minorities, Scheduled Castes and Scheduled Tribes, p.462.

Sources: Introduction to the Constitution of India, D. D. Basu (26th ed.), Minorities, Scheduled Castes and Scheduled Tribes, p.457, 462; Introduction to the Constitution of India, D. D. Basu (26th ed.), Panchayats, p.319; Indian Polity, M. Laxmikanth (7th ed.), Scheduled and Tribal Areas, p.415

4. Particularly Vulnerable Tribal Groups (PVTGs) (exam-level)

To understand Particularly Vulnerable Tribal Groups (PVTGs), we must first look at the hierarchy of tribal classification in India. While the Constitution provides for 'Scheduled Tribes' (STs) to ensure their protection and development, it was soon realized that some groups within the ST category were significantly more vulnerable than others. In 1960, the Dhebar Commission pointed out a distinct layer of inequality, noting that some tribes remained at a very primitive stage of development. This led to the creation of the 'Primitive Tribal Groups' category in 1975, which was renamed to PVTGs in 2006. As noted in Indian Polity, M. Laxmikanth, Scheduled and Tribal Areas, p.416, the government has the power to appoint commissions to report on the administration and welfare of these Scheduled Areas.

The identification of a PVTG is based on four specific anthropological and socio-economic criteria:

• A pre-agricultural level of technology (like hunting and gathering).
• A stagnant or declining population.
• Extremely low literacy rates.
• A subsistence level of economy.

Currently, there are 75 identified PVTGs across 18 States and one Union Territory (Andaman and Nicobar Islands).

From an ethnic perspective, the PVTGs of the Andaman and Nicobar Islands are world-renowned for their unique lineage. The tribes of the Andaman Islands (such as the Jarawa and Sentinelese) are of the Negrito racial stock, characterized by short stature and frizzy hair, representing some of the oldest human migrations from Africa. In contrast, the tribes of the Nicobar Islands (like the Shompen) exhibit Mongoloid features.

Region	Tribal Groups	Racial Lineage
Andaman Islands	Great Andamanese, Jarawa, Onge, Sentinelese	Negrito
Nicobar Islands	Shompen, Nicobarese	Mongoloid

Sources: Indian Polity, M. Laxmikanth, Scheduled and Tribal Areas, p.416

5. Geography and Ecology of Andaman & Nicobar (intermediate)

The Andaman and Nicobar Islands represent a unique geographical and ecological bridge between South and Southeast Asia. Comprising an archipelago of approximately 556 islands, these landmasses are essentially the submerged extensions of the Arakan Yoma mountain range of Myanmar. While the Andaman group contains the majority of the islands (26 of which are inhabited), the Nicobar group consists of 22 main islands, with only 10 being inhabited Geography of India, Majid Husain, Regional Development and Planning, p.90.

The most critical geographical feature to remember is the Ten Degree (10°) Channel. This water body, approximately 150 km wide, serves as the physical divider between the Andaman islands to the north and the Nicobar islands to the south INDIA PHYSICAL ENVIRONMENT, Geography Class XI (NCERT 2025 ed.), Structure and Physiography, p.16. At the southernmost tip of the entire archipelago lies Indira Point (on Great Nicobar Island), which is the southernmost point of the Indian territory, situated significantly closer to Indonesia than to the Indian mainland Geography of India, Majid Husain, Physiography, p.66.

Ecologically, these islands are a biodiversity hotspot. They are draped in tropical rainforests that harbor a unique blend of Indian, Malaysian, and Myanmarese floral elements Geography of India, Majid Husain, Regional Development and Planning, p.90. Recognizing this immense ecological value, the Great Nicobar was designated as a Biosphere Reserve and is included in the UNESCO World Network of Biosphere Reserves Environment and Ecology, Majid Husain, BIODIVERSITY, p.37.

From an anthropological perspective, the archipelago is home to two distinct ethnic lineages, which is a rare occurrence in such close proximity:

Island Group	Racial Lineage	Major Tribes
Andaman Islands	Negrito (Negroid subgroup)	Great Andamanese, Jarawa, Onge, Sentinelese
Nicobar Islands	Mongoloid	Nicobarese, Shompen

Sources: Geography of India (Majid Husain), Regional Development and Planning, p.90; INDIA PHYSICAL ENVIRONMENT (NCERT Class XI), Structure and Physiography, p.16; Geography of India (Majid Husain), Physiography, p.66; Environment and Ecology (Majid Husain), BIODIVERSITY, p.37

6. Distinct Tribes of the Archipelago (exam-level)

The Andaman and Nicobar Islands serve as one of the world's most significant anthropological regions, housing tribes that have remained isolated for millennia. These indigenous populations are broadly divided into two distinct racial groups based on their physical characteristics and ancestral origins. The tribes of the **Andaman Islands** — which include the **Great Andamanese**, **Onge**, **Jarawa**, and **Sentinelese** — belong to the **Negrito** racial group, a subgroup of the **Negroid** race Geography of India, Cultural Setting, p.10. They are characterized by very short stature, dark skin, and distinctive frizzy hair. Anthropologists believe they are among the earliest human settlers to migrate from Africa, possibly via the Malay Peninsula, showing close affinities with the Semang tribes of Malaysia. In sharp contrast, the indigenous people of the **Nicobar Islands**, specifically the **Nicobarese** and the **Shompen**, belong to the **Mongoloid** racial stock Geography of India, Cultural Setting, p.11. Unlike their northern neighbors in the Andamans, these groups typically possess yellowish-brown skin, straight hair, and oblique eye folds. This racial duality within a single archipelago is a unique geographic feature of India's cultural setting.

Feature	Andamanese Tribes	Nicobarese & Shompen
Racial Group	Negrito (Negroid)	Mongoloid
Skin Tone	Black / Dark Brown	Yellowish / Light Brown
Hair Type	Frizzy / Woolly	Straight / Scanty body hair
Key Tribes	Jarawa, Onge, Sentinelese	Nicobarese, Shompen

Among these, the **Jarawa** (also known as Angs) are noted as one of the most endangered tribes in the world Geography of India, Cultural Setting, p.26. The **Sentinelese** are perhaps the most famous for their extreme isolation, residing on North Sentinel Island and resisting all modern contact. Understanding these distinctions is crucial because it highlights the role of the archipelago as a bridge between African and Southeast Asian prehistoric migrations.

Sources: Geography of India, Cultural Setting, p.10; Geography of India, Cultural Setting, p.11; Geography of India, Cultural Setting, p.26

7. Solving the Original PYQ (exam-level)

This question brings together your understanding of human migration patterns and the ethnic composition of India. In your recent study of the "Out of Africa" theory and B.S. Guha’s racial classification, you learned that the Negrito element represents the earliest human layer in the Indian subcontinent. The Andaman and Nicobar Islands serve as a living museum for this history. When you see this question, you should immediately visualize how geographic isolation preserved these specific physical traits—such as short stature and frizzy hair—over millennia, making them a cornerstone of Indian anthropological studies.

To arrive at the correct answer, (D) Negroid race, you must focus on the predominant identity of the region's Particularly Vulnerable Tribal Groups (PVTGs). While it is true that the Nicobarese and Shompen tribes of the Nicobar group show Mongoloid affinities, the iconic and most anthropologically significant tribes like the Jarawa, Sentinelese, Great Andamanese, and Onge are classic examples of the Negrito sub-group. In the context of UPSC’s general framing, the term Negroid is used as the broad racial umbrella for these original inhabitants who represent the oldest surviving human lineage in the region.

UPSC often uses Australoid and Mongoloid as clever distractors here. Remember the trap: Australoids (or Proto-Australoids) are primarily found among the tribal populations of Central and South India (like the Santhals or Bhils), not the islands. Similarly, while Mongoloid features are present in the Nicobar group, they represent a different migratory wave. Caucasoid is a complete outlier in this context, associated with later migrations into Northern India. By recognizing that the Negroid lineage is the most distinctive and primitive characteristic of the archipelago's tribal history, you can eliminate the others with confidence. NCERT Class 12 - India: People and Economy