Decolonizing Heritage: Legal Frameworks, Indigenous Knowledge, and the Ethics of Repatriation

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Sovereignty, Psyche, and Subjugation: A 4C Analysis of Colonial Sri Lanka (1505–1948)- PART 1

 

Part 1: The Psychological Battlefield and The Clash of Competence

Understanding the 4C Framework Before diving into the historical analysis, it is helpful to understand the primary analytical tool used in this series: the 4C Framework. Rooted in behavioral science and the e-Consciousness model, this framework moves beyond traditional historical timelines to decode the "human software" that drives systemic outcomes. It evaluates human action through four pillars:

• Competence: The strategic skills, technological execution, and administrative capabilities of a group.
• Character: The moral compass, integrity, and ethical boundaries guiding those actions.
• Commitment: The steadfastness and clarity of long-term, ultimate objectives.
• Consciousness: The overarching worldview, self-awareness, and ability to perceive existential realities.

 

The history of Sri Lanka from the arrival of the Portuguese in 1505 to independence from the British in 1948 is frequently analyzed through a traditional, chronological lens of military conquest, economic extraction, and colonial administration. However, this conventional approach often fails to capture the profound psychological and behavioral dynamics that dictated the island's subjugation. To truly understand this era, we must move beyond the mechanics of conquest and examine the human software that drove it.

To achieve this, this article adopts the 4C Framework—Competence, Character, Commitment, and Consciousness—as its primary analytical tool. The genesis of this framework lies in my extensive research across diverse disciplines and the formulation of the e-Consciousness model, where these four pillars have been utilized successfully to capture and decode the complex human dynamics that drive systemic outcomes.

Why apply this specific behavioral framework to a historical epoch? Because the fall of Sri Lanka was not merely a matter of European gunpowder overcoming indigenous swords. It was a 443-year psychological interaction where the terrifying strategic competence of foreign empires collided with a catastrophic deficit in national character and unified consciousness among the Sinhalese elite. By utilizing the 4C framework, we can deconstruct this geopolitical tragedy, revealing how the ultimate loss of indigenous sovereignty was consistently facilitated from within.

1. Competence: The Asymmetry of Strategy and Execution Competence in this historical theater is defined by military technology, administrative engineering, and strategic foresight.

• The European Reality: The Portuguese, Dutch, and British exhibited a ruthlessly high degree of tactical and administrative competence, though their execution evolved. The Portuguese leveraged naval superiority and martial competence, securing their hold by erecting formidable coastal forts in Colombo and Galle. The Dutch East India Company (VOC) introduced corporate mercantilism and logistical competence, systematically mapping resources, digging extensive canal networks, and laying the foundations of Roman-Dutch law. However, it was during The British Conquest (1796–1948) that imperial competence reached its apex through bureaucracy and infrastructural engineering. The British realized that the Kandyan Kingdom—which had resisted European military might for 300 years—could not be broken by force alone. Through the brilliant espionage of scholar-diplomats like John D'Oyly, they mapped the internal vulnerabilities of the Kandyan court and utilized legal engineering, followed by island-wide road and rail networks, to permanently dismantle centuries-old feudal structures.

• The Sinhalese Reality: The indigenous forces possessed immense tactical competence. Their mastery of guerrilla warfare and the treacherous highland terrain resulted in devastating defeats for the colonizers, such as the Battle of Randeniwela (1630). However, their competence remained strictly tactical (winning battles) rather than strategic (winning the war of sovereignty). They lacked the diplomatic and administrative frameworks to counter global empires.

Value-Centric Education for a Renewed Sri Lanka: A Blueprint for Optimal Living

 

Abstract

The trajectory of Sri Lankan history from 1505 to 1948 witnessed the systemic dismantling of an ancient, self-sufficient agrarian civilization, replaced by a dependent, export-driven colonial state. The legacy of this 443-year period is a deeply fractured national psyche, characterized by internal colonization where a cosmopolitan elite maintains structural dominance over the rural majority. By analyzing global parallels and proposing a radical educational paradigm shift, this paper outlines a blueprint for national renewal. It posits that integrating dual-language proficiency with a robust 4C Framework (Competence, Character, Commitment, and Consciousness) and an 8-element E-Consciousness model can reconcile the cognitive ("head") and neurocardiological ("heart") intelligence of the populace, ultimately fostering a society capable of optimal living.

1. The Genesis of Internal Colonization: 1505–1948

The arrival of the Portuguese in 1505, followed by the Dutch and the British, initiated a profound geopolitical and psychological rewiring of the island. The classical center of gravity in the Northern Dry Zone—sustained by advanced hydraulic engineering and the Rajakariya system—was violently shifted to the South-Western Wet Zone coast to serve maritime trade.

The most devastating consequence of British modernization, culminating in the Colebrooke-Cameron Reforms of 1833, was the engineering of a socio-linguistic chasm. The imposition of English as the sole language of administration, commerce, and law created the Kaduwa (the sword)—a linguistic barrier that actively disenfranchised the vernacular-speaking rural peasantry.

When independence was granted in 1948, it was not a return to indigenous sovereignty but a transfer of power to a Westernized, English-speaking elite. This internal colonization ensured that the legal (Roman-Dutch), administrative, and economic (plantation capitalism) structures remained intact. The indigenous spirit of the rural population remained subdued, governed by a local proxy class whose cultural and economic compass pointed toward the West.

2. Global Parallels and Structural Antidotes

The phenomenon of internal colonization is a shared trauma across the post-colonial Global South. However, several nations have implemented structural and educational antidotes to dismantle elite monopolies:

• India: Diluted the absolute power of its Anglicized elite by aggressively elevating regional vernacular languages, structurally shifting political power back to rural bases.

• Bolivia: Enacted indigenous constitutionalism by legally recognizing multiple indigenous languages and integrating community justice systems, thereby dismantling the historical Criollo monopoly.

• Kenya: Radically devolved economic and administrative power from the capital (Nairobi) to 47 localized counties, forcing resource distribution into marginalized rural peripheries.

Sri Lanka’s path to overcoming its specific historical trauma requires more than constitutional reform; it demands a fundamental rewiring of its educational and psychological frameworks to heal the fractured psyche.

3. The Blueprint for Renewal: A Tripartite Approach

To dismantle the neocolonial scaffolding and transition the nation toward optimal living, the educational system must be fundamentally restructured around three core pillars.

Pillar I: Linguistic Equity and Global Access

The structural weaponization of language must end. The curriculum must enforce rigorous dual-language proficiency—mastery of English alongside a local language (Sinhala or Tamil). This neutralizes the Kaduwa, transforming English from a gatekeeping mechanism into a universal utility, while preserving the ancient cultural, agricultural, and philosophical wisdom embedded in the native tongues.

Pillar II: The 4C Framework for National Leadership

To replace the colonial legacy of nepotism and extractive administration, educational and institutional advancement must be measured against the 4C model. This establishes a new baseline for civic duty and leadership:

Element	Application in National Renewal
Competence	Shifting from inherited privilege to strict, measurable meritocracy. Cultivating executive capability and neuroplastic adaptability in problem-solving.
Character	Cultivating ethical integrity and moral fortitude to dismantle the self-serving nature of proxy elites, ensuring transparent and accountable governance.
Commitment	Redirecting focus from serving foreign markets to a steadfast dedication to internal national development, rural upliftment, and sovereign resilience.
Consciousness	Operating with a deeply awakened awareness of historical context, environment, and societal interconnectivity.

Pillar III: The 8-Element E-Consciousness Matrix

Healing a fractured psyche requires moving the population beyond reactive survival modes. The implementation of an 8-element e-consciousness progression serves as a national psychological awakening.

This model bridges the cognitive functions of the brain with the intuitive functions of the heart. Modern neurocardiology and quantum biological theories—such as microtubule activity within neurons—suggest that human consciousness is not merely a computational function of the brain, but a highly integrated, whole-body resonance. By training students through the eight progressive stages of e-consciousness, the educational system can actively synchronize the analytical "head" with the ethical, indigenous "heartbeat" of the island.

4. Conclusion

The modernization of Sri Lanka came at the high cost of cultural fragmentation and deep psychological dependence on foreign paradigms. However, the ancient heartbeat of the island was merely subdued, never permanently silenced. By implementing a value-centric educational syllabus grounded in dual-linguistic equity, the 4C framework, and the E-Consciousness matrix, Sri Lanka can decolonize the minds of its next generation. This blueprint provides the structural and behavioral foundation necessary to transition from a fractured post-colonial state to a revitalized nation, empowered to achieve optimal living.

References

• De Silva, K. M. (1981). A History of Sri Lanka. University of California Press.

• Fanon, F. (1961). The Wretched of the Earth. MacGibbon & Kee.

• Goonatilake, S. (2001). Anthropologizing Sri Lanka: A Eurocentric Misadventure. Indiana University Press.

• Hameroff, S., & Penrose, R. (2014). Consciousness in the universe: A review of the 'Orch OR' theory. Physics of Life Reviews, 11(1), 39-78.

• McCraty, R., & Zayas, M. A. (2014). Cardiac coherence, self-regulation, autonomic stability, and psychosocial well-being. Frontiers in Psychology, 5, 1090.

• Mendis, G. C. (1952). Ceylon Under the British. Colombo Apothecaries.

#SriLanka #EducationReform #BehavioralScience #LeadershipDevelopment #EConsciousness #PostColonialStudies #NationalRenewal #ValueCentricEducation #Neurocardiology #HumanCapital

Bow-and-Arrow Technology at Fa-Hien Lena 48000 years ago

 The research conducted at Fa-Hien Lena cave revealed an extensive osseous (bone) toolkit. The archaeologists identified 130 bone projectile points—including unipoints, bipoints, and geometrics—that were flaked and ground into shape from terrestrial animal bone (Langley et al., 2020).

These artifacts displayed distinct use-wear patterns, such as fixed hafting and distal impact fractures, which are characteristic of high-velocity projectile use. Coupled with the zooarchaeological record, which indicates a reliance on prime-aged adult arboreal monkeys, the size and weight of these bone points suggest they were hafted to arrows or blowdarts rather than thrusting spears (Langley et al., 2020). This sophisticated hunting strategy allowed early humans to effectively target and exploit small, agile prey in the dense canopy of the South Asian rainforest.

Contextualizing Early Rainforest Adaptation: Kitulgala Beli-lena

The discoveries at Fa-Hien Lena do not exist in isolation; they are part of a broader pattern of Late Pleistocene rainforest adaptation in Sri Lanka, supported by findings from neighboring sites like Kitulgala Beli-lena.

• Microlithic Technology: Excavations at Kitulgala Beli-lena show a continuous use of bipolar microlithic production dating from roughly 45,000 to 8,000 years ago (Picin et al., 2022). These small stone tools were likely paired with the bone points discovered at Fa-Hien Lena to create composite hunting weapons and to process rainforest resources.

• Site Stratigraphy and Climatic Resilience: Kitulgala Beli-lena preserves a roughly 3-meter-thick stratigraphic sequence of human occupation that persisted through periods of intense monsoon fluctuation during the Last Glacial Maximum (Kourampas et al., 2009).

• Paleoecology: Isotope analyses from both Fa-Hien Lena and Kitulgala Beli-lena confirm that early human populations consistently relied on these wet deciduous and tropical evergreen forests rather than migrating to grasslands, maintaining a specialized rainforest foraging strategy across millennia (Amano et al., 2023).

Together, these sites overturn the previous assumption that tropical rainforests were impenetrable barriers to Pleistocene humans. The bow-and-arrow technology at Fa-Hien Lena, alongside the enduring microlithic traditions of Kitulgala Beli-lena, demonstrate rapid and complex technological innovation as H. sapiens conquered challenging habitats.

References

Amano, N., Wedage, O., Ilgner, J., et al. (2023). Of forests and grasslands: human, primate, and ungulate palaeoecology in Late Pleistocene-Holocene Sri Lanka. Frontiers in Earth Science, 11. https://doi.org/10.3389/feart.2023.1133281 Cited by: 10

Kourampas, N., Simpson, I. A., Perera, N., Deraniyagala, S. U., & Wijeyapala, W. H. (2009). Rockshelter sedimentation in a dynamic tropical landscape: Late Pleistocene–Early Holocene archaeological deposits in Kitulgala Beli‐lena, southwestern Sri Lanka. Geoarchaeology, 24, 677–714. https://doi.org/10.1002/gea.20287 Cited by: 68

Langley, M. C., Amano, N., Wedage, O., et al. (2020). Bows and arrows and complex symbolic displays 48,000 years ago in the South Asian tropics. Science Advances, 6. https://doi.org/10.1126/sciadv.aba3831 Cited by: 118

Picin, A., Wedage, O., Blinkhorn, J., et al. (2022). Homo sapiens lithic technology and microlithization in the South Asian rainforest at Kitulgala Beli-lena (c. 45 – 8,000 years ago). PLOS ONE, 17, e0273450. https://doi.org/10.1371/journal.pone.0273450 Cited by: 23

Deep Time, Dental Morphology, and High-Resolution Genomics: A Comprehensive Synthesis of the Sri Lankan Genome and Population History

 

Abstract

The population history of Sri Lanka presents a crucial locus for understanding Late Pleistocene human migration, microevolution, technological innovation, and genetic continuity in South Asia. Historically, colonial frameworks attributed the island’s demographic foundation to Iron Age population replacement events. However, multidisciplinary evidence spanning deep-time archaeology, paleomedicine, physical anthropology, and high-resolution genomic sequencing refutes this replacement model. This paper synthesizes five key pillars of research: (1) Late Pleistocene behavioral modernity in Sri Lanka’s wet zone caves, evidenced by ~48,000 BP bow-and-arrow technology at Fa-Hien Lena and geometric microliths at Kitulgala Beli-lena; (2) early paleomedical innovations at Beli-lena identifying meridian-based acupuncture needles; (3) dental anthropological research by Dr. Diane E. Hawkey establishing a phenotypic continuum between Homo sapiens balangodensis and modern islanders; (4) modern genomic studies from 2025 and 2026 establishing deep maternal continuity and shared regional ancestry; and (5) sex-biased admixture dynamics explaining the integration of mainland male migrants into the indigenous biological baseline.

1. Late Pleistocene Adaptation and Deep-Time Archaeology (125,000–12,000 BP)

The archaeological record of Sri Lanka demonstrates an extraordinarily deep timeline of human occupation, far predating late historical migrations. Middle Paleolithic tool deposits in the coastal gravels of the Iranamadu formation at Bundala and Pathirajawela establish human presence on the island dating back between 75,000 and 125,000 years Before Present (BP).

Late Pleistocene Prehistoric & Biological Continuum
┌────────────────────────────────────────────────────────────────────────┐
│  Bundala / Pathirajawela (75,000–125,000 BP): Early H. sapiens         │
└───────────────────────────────────┬────────────────────────────────────┘
                                    │
┌───────────────────────────────────▼────────────────────────────────────┐
│  Fa-Hien Lena (48,000 BP): Earliest Bow & Arrow Outside Africa         │
└───────────────────────────────────┬────────────────────────────────────┘
                                    │
┌───────────────────────────────────▼────────────────────────────────────┐
│  Kitulgala Beli-lena (38,000–45,000 BP): Bipolar Quartz Microliths     │
│  & Paleomedical Meridian Needles                                       │
└───────────────────────────────────┬────────────────────────────────────┘
                                    │
┌───────────────────────────────────▼────────────────────────────────────┐
│  Dental Morphology (Hawkey): ASUDAS "Indodont" Pattern / Low MMD       │
└───────────────────────────────────┬────────────────────────────────────┘
                                    │
┌───────────────────────────────────▼────────────────────────────────────┐
│  Genomics (2025–2026): Shared ASI Bedrock & Indigenous mtDNA Continuity│
└────────────────────────────────────────────────────────────────────────┘

Fa-Hien Lena and High-Velocity Projectile Technology

Excavations led by researchers from Griffith University at Fa-Hien Lena cave revealed an extensive osseous (bone) toolkit comprising 130 bone projectile points crafted from terrestrial animal bone. Microscopic use-wear analysis demonstrated fixed hafting marks and distal impact fractures characteristic of high-velocity projectile impact. Dated to approximately 48,000 BP, these artifacts represent the earliest definitive evidence of bow-and-arrow hunting technology found anywhere outside of Africa. Zooarchaeological data confirms these arrows were engineered to target agile arboreal primates in dense rainforest canopies.

Kitulgala Beli-lena and Microlithic Engineering

At neighboring Kitulgala Beli-lena, occupants produced geometric microliths (lunates, triangles, and trapezoids) out of quartz using bipolar reduction techniques between 38,000 and 45,000 BP. These standardized, miniature blades served as replaceable inserts for composite hafted weapons, demonstrating advanced modular engineering tens of thousands of years before the European Mesolithic.

2. Paleomedical Innovation at Beli-lena: The Prehistoric Origin of Acupuncture

Beyond hunting implements, the specialized bone tools excavated from Beli-lena reveal advanced behavioral and cognitive sophistication. Fieldwork conducted at Beli-lena in 2001, in collaboration with Dr. Siran Deraniyagala, Prof. Anton Jayasuriya, and Prof.Lakshman Madurasinghe introduced a paradigm-shifting paleomedical thesis regarding fine bone needles.

• Prehistoric Acupuncture Instruments: Rather than serving merely as sewing awls, these delicate bone points were reinterpreted as early medical instruments utilized for meridian-based neurological therapy. Citing the 1908 researches of the Sarasin cousins, this work posits that therapeutic needle-puncture originated among the prehistoric Homo sapiens balangodensis of Sri Lanka, predating Chinese formalization by millennia.

• The Spice Route and Oetzi the Iceman: This paleomedical thesis is supported geographically by ancient trade dynamics. The 5,200-year-old Tyrolean Iceman ("Oetzi") exhibited therapeutic tattoos matching classical distal acupuncture points for sciatica. Just as endemic Sri Lankan botanicals were exported across early trade routes, therapeutic needle knowledge likely migrated along similar maritime and terrestrial vectors.

• Veterinary Application: This neurological knowledge extended to animal husbandry. The traditional henduwa (elephant goad) functions as a form of mega-fauna acupuncture, stimulating specific neurological control points to handle and treat elephants.

3. Dental Morphology and Phenotypic Continuity: The Hawkey Evidence

Physical anthropology provides the macroscopic bridge connecting prehistoric cave dwellers to contemporary populations. Dr. Diane E. Hawkey’s (1998) landmark dental anthropology research evaluated highly heritable dental crown and root traits using the Arizona State University Dental Anthropology System (ASUDAS).

Mean Measure of Divergence (MMD)

Using the Mean Measure of Divergence (MMD) to calculate biological distance, Hawkey analyzed skeletal remains from Batadomba Lena (~15,000 BP) and Beli-lena (~12,000 BP) alongside modern South Asian groups:

• Direct Balangoda–Vedda Link: Hawkey proved that the modern Vedda are the direct biological descendants of the island's Stone Age hunter-gatherers.

• The "Indodont" Pattern: Hawkey identified a distinct, localized trait cluster termed the Indodont pattern. MMD divergence scores between the Sinhalese and Sri Lankan Tamils were exceptionally low (dropping in trait analyses to between 0.000 and 0.016), showing that both groups are dentally closer to each other and to the Vedda than to outside populations.

• Refutation of Total Replacement: The dental data demonstrated that gene drift, rather than massive population replacement ("demic replacement"), shaped the island. Incoming Iron Age migrants integrated into the established indigenous population rather than replacing them.

4. High-Resolution Genomic Discoveries (2025–2026)

Modern whole-genome and mitogenomic sequencing published in 2025 and 2026 corroborated Hawkey’s physical anthropology findings at the molecular level.

The May 2026 Mitogenome Study: Coastal Route & Deep Lineages

A study published in PLoS ONE (May 2026) by a joint team from the University of Colombo and Banaras Hindu University (including Dr. Anjana Welikala and Dr. Gyaneshwer Chaubey) analyzed 139 new mitogenomes across Sinhalese, Sri Lankan Tamil, and Vedda individuals against 247 global datasets.

• Coastal Route Proof: The maternal mitochondrial DNA (mtDNA) confirmed that early Homo sapiens migrating out of Africa reached Sri Lanka approximately 57,000 years ago via coastal routes.

• Vedda Maternal Founder Lineages: The research confirmed that the indigenous Vedda retain ancient maternal founder lineages preserved through long-term genetic isolation.

The June 2025 Whole-Genome Study: Shared Autosomal Bedrock

A whole-genome study published in Current Biology (June 2025) by Urban Aragon et al. evaluated autosomal DNA across indigenous Adivasi (Vedda), Sinhalese, and Tamil groups:

• High Overlap: Autosomal data revealed that the Sinhalese, Sri Lankan Tamils, and Vedda form a tight, interconnected genetic cluster.

• Ancient Ancestral South Indian (ASI) Bedrock: The Adivasi (Vedda) population retains the highest proportion of Ancient Ancestral South Indian (ASI) heritage (52.5%–53.7%). Both Sinhalese and Tamil groups share this substantial ASI and indigenous Vedda foundation, over which minor mainland gene flows were layered.

5. Sex-Biased Admixture Dynamics and Linguistic Integration

Comparing lineage-specific genetic markers clarifies how ancient populations merged.

                     Demographic Admixture Model
                     
      Mainland Male Migrants                   Indigenous Island Women
   (Indo-Aryan / Dravidian Settlers)        (Balangoda / Vedda Ancestry)
               │                                       │
               │ (Paternal Y-DNA Influx)               │ (Maternal mtDNA Continuity)
               └───────────────────┬───────────────────┘
                                   │
                                   ▼
                       Intermarried Communities
                                   │
            ┌──────────────────────┴──────────────────────┐
            ▼                                             ▼
  Prestige Language Adoption                     Retained Ancestral Traits
  (Proto-Sinhala/Hela & Tamil)                 (Maternal mtDNA & "Vedda Substrate")

Lineage Discrepancy (mtDNA vs. Y-Chromosome)

• Maternal DNA (mtDNA): Passed exclusively from mother to child, the vast majority of maternal haplogroups across all Sri Lankan ethnic groups cluster directly with indigenous Vedda lineages.

• Paternal DNA (Y-Chromosome): Passed from father to son, paternal lineages exhibit higher rates of mainland Indian influx (both Indo-Aryan and South Indian/Dravidian).

Demographic Mechanism

Historically, incoming maritime traders and settlers were overwhelmingly male. These men settled on the island and intermarried with local indigenous women. Over generations, these blended families adopted the prestige languages of the migrants (Proto-Sinhala/Hela and Tamil) while retaining the deep mitochondrial DNA of their island mothers.

The "Vedda Substrate" in Language

This biological integration is mirrored in historical linguistics. While Proto-Sinhala (Hela) developed as an Eastern Prakrit sister-language to Magadhi (evidenced by the Magadhan "-e" endings in 3rd-century BCE Brahmi cave inscriptions like lene and parumake), it absorbed a significant "Vedda Substrate". Core vocabulary items with no roots in Indo-Aryan, Dravidian, or Sanskrit—such as kola (leaf), gala (stone), dola (stream), and vala (pit)—represent phonetic remnants of the prehistoric language spoken by the cave dwellers of Beli-lena and Fa-Hien Lena.

6. Conclusion

Multidisciplinary research across archaeology, paleomedicine, physical anthropology, linguistics, and high-resolution genomics demonstrates that modern Sri Lankans share a deeply rooted biological foundation. Prehistoric Homo sapiens balangodensis did not vanish; their genetic legacy survives directly in the modern Vedda and forms the core maternal substrate of both the Sinhalese and Sri Lankan Tamil populations. Modern ethnic divides on the island represent linguistic and cultural developments layered over a deeply shared, ancient biological heritage that stretches back over 40,000 years into the Late Pleistocene.

References

1. Amano, N., Wedage, O., Ilgner, J., et al. (2023). Of forests and grasslands: human, primate, and ungulate palaeoecology in Late Pleistocene-Holocene Sri Lanka. Frontiers in Earth Science, 11, 1133281.

2. Deraniyagala, S. U. (1992). The Prehistory of Sri Lanka: An Ecological Perspective. Department of Archaeological Survey, Government of Sri Lanka.

3. Hawkey, D. E. (1998). Out of Asia: Dental Evidence for Affinities and Microevolution of Early Populations from India/Sri Lanka. (Doctoral dissertation, Arizona State University).

4. Kourampas, N., Simpson, I. A., Perera, N., Deraniyagala, S. U., & Wijeyapala, W. H. (2009). Rockshelter sedimentation in a dynamic tropical landscape: Late Pleistocene–Early Holocene archaeological deposits in Kitulgala Beli‐lena, southwestern Sri Lanka. Geoarchaeology, 24(6), 677–714.

5. Langley, M. C., Amano, N., Wedage, O., et al. (2020). Bows and arrows and complex symbolic displays 48,000 years ago in the South Asian tropics. Science Advances, 6(26), eaba3831.

6. OIUCM Research Archive (2001). Hela Research: Investigations at Beli Lena. Conducted with Dr. Siran Deraniyagala, Prof. Anton Jayasuriya and Prof.Lakshman Madurasinghe. Open International University for Complementary Medicines. https://oiucm.org/hela-research-%e0%b7%84%e0%b7%99%e0%b6%bd%e0%b6%b6%e0%b7%92%e0%b6%b8-%e0%b6%b4%e0%b6%bb%e0%b7%8a%e0%b6%ba%e0%b7%9a%e0%b7%82%e0%b6%ab/

7. Picin, A., Wedage, O., Blinkhorn, J., et al. (2022). Homo sapiens lithic technology and microlithization in the South Asian rainforest at Kitulgala Beli-lena (c. 45–8,000 years ago). PLOS ONE, 17(9), e0273450.

8. Somadeva, R. (2014). The Prehistoric Environment of Sri Lanka. Postgraduate Institute of Archaeology, University of Kelaniya.

9. Urban Aragon, J. A., Bandyopadhyay, E., Fernando, A. S., & Raghavan, M. (2025). Population histories of the Indigenous Adivasi and Sinhalese from Sri Lanka using whole genomes. Current Biology, 35(11), 2410–2422.

10. Welikala, A., Chaubey, G., et al. (2026). Mitogenomic analysis of Sri Lankan ethnic groups reveals early coastal out-of-Africa expansion and deep indigenous maternal persistence. PLOS ONE, 21(5), e0312480.