Indian & World Geography·Core Concepts

Other Neighbours — Core Concepts

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Version 1Updated 7 Mar 2026

Core Concepts

India's 'Other Neighbours' encompass Nepal, Bhutan, Bangladesh, Sri Lanka, Myanmar, Afghanistan, and Maldives, forming a critical arc of nations vital for India's security, economic prosperity, and regional influence.

These relationships are governed by a blend of geographical realities, historical legacies, cultural affinities, and contemporary strategic imperatives. India shares extensive land borders with Nepal (1,850 km), Bhutan (699 km), Bangladesh (4,096 km), and Myanmar (1,643 km), and a short, disputed border with Afghanistan (106 km).

Sri Lanka and Maldives are key maritime neighbours in the Indian Ocean. The 'Neighborhood First' policy underpins India's approach, emphasizing connectivity, cooperation, commerce, and cultural exchange.

Key aspects of these relationships include: Nepal – an open border, the 1950 Treaty of Peace and Friendship, significant hydropower potential, and the Kalapani border dispute. Bhutan – a special relationship based on the 2007 Treaty of Friendship, extensive hydropower cooperation, and strategic importance for India's security (Doklam).

Bangladesh – India's longest land border, resolution of enclaves via the 100th CAA, crucial connectivity for India's Northeast, but ongoing Teesta water-sharing challenges. Sri Lanka – maritime neighbour, fishermen's issues, the Tamil question, and strategic competition in the Indian Ocean.

Myanmar – gateway to Southeast Asia, 'Act East' policy, Kaladan Multi-Modal project, and challenges of cross-border insurgency and the military coup. Afghanistan – historical ties, significant Indian development aid, and concerns over regional security post-Taliban takeover.

Maldives – vital for Indian Ocean security, 'SAGAR' vision, but recent diplomatic strains over Indian military presence.

These relationships are dynamic, influenced by internal political changes in partner countries and the growing geopolitical competition, particularly from China's Belt and Road Initiative. India's strategy involves balancing its role as a regional power with respect for sovereignty, offering development assistance, and promoting regional forums like BIMSTEC, while also addressing security concerns like cross-border terrorism, illegal migration, and maritime threats.

Understanding these multifaceted engagements is crucial for UPSC, as they reflect India's evolving foreign policy and its role in South Asia.

Important Differences

vs India-Nepal vs. India-Bhutan Relations

AspectThis TopicIndia-Nepal vs. India-Bhutan Relations
Foundational Treaty1950 Treaty of Peace and Friendship (India-Nepal)1949 Treaty of Friendship, revised 2007 (India-Bhutan)
Border StatusOpen and largely porous, with some disputed areas (Kalapani)Open and largely peaceful, well-managed
Strategic RoleBuffer state, source of water resources, transit routeBuffer state, critical for India's 'Chicken's Neck' security (Doklam)
Economic DependenceHigh dependence on India for transit and trade, but diversifyingVery high dependence on India for trade, aid, and hydropower market
External InfluenceSignificant Chinese economic and political overtures, leading to balancing actHistorically strong Indian influence, but China making diplomatic inroads
Key IssuesBorder disputes, treaty review, water sharing, political instabilityHydropower project implementation, border security, Doklam tri-junction
People-to-People TiesDeep 'Roti-Beti' ties, free movement of peopleStrong cultural and educational ties, but more regulated movement
While both Nepal and Bhutan are Himalayan neighbours with special relationships with India, their dynamics differ significantly. India-Nepal relations are characterized by a more complex interplay of an open border, the 1950 treaty (currently under review), and a more assertive Nepalese nationalism often leading to friction over border issues like Kalapani and China's growing influence. In contrast, India-Bhutan relations are marked by a deep, unwavering trust, extensive hydropower cooperation, and a shared strategic outlook, particularly concerning border security and Chinese assertiveness, as exemplified by the Doklam standoff. Bhutan's foreign policy, while now more autonomous, continues to align closely with India's strategic interests, making it a more stable and predictable partner.

vs India-Bangladesh vs. India-Myanmar Relations

AspectThis TopicIndia-Bangladesh vs. India-Myanmar Relations
Geographical LinkLongest land border, riverine, deltaic terrainHilly, forested land border, gateway to Southeast Asia
Policy Focus'Neighborhood First', connectivity for Northeast, water sharing'Act East' Policy, connectivity to ASEAN, border management
Connectivity ProjectsRail, road, inland waterways, cross-border pipelines (e.g., Agartala-Akhaura, Feni Bridge)Kaladan Multi-Modal Transit Transport Project, Trilateral Highway
Major IssuesTeesta water sharing, illegal migration, Rohingya refugee burdenCross-border insurgency, drug trafficking, Free Movement Regime (FMR) challenges, military coup's impact
Historical ContextIndia's role in Bangladesh Liberation War, shared Bengali heritageShared colonial past, Buddhist ties, border communities
Strategic ImportanceAccess to Bay of Bengal, stability for Northeast, counter-insurgencyLand bridge to ASEAN, counter-insurgency, maritime security in Andaman Sea
External InfluenceSignificant Chinese economic investment, but India remains dominant partnerStrong Chinese economic and political influence, especially post-coup
India's relations with Bangladesh are characterized by a deep historical bond, extensive land and riverine connectivity, and a focus on resolving complex issues like water sharing and border management. Bangladesh is crucial for India's Northeast access and regional stability. In contrast, India-Myanmar relations are primarily driven by the 'Act East' policy, aiming to connect India to Southeast Asia via land. The challenges here are more about managing a porous, insurgency-prone border, combating drug trafficking, and navigating Myanmar's internal political instability, particularly after the military coup. While both are vital for India's regional strategy, Bangladesh represents a more established, albeit complex, partnership, whereas Myanmar is a strategic frontier for India's eastward outreach.
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