Internal Security·Revision Notes

India-Sri Lanka Relations — Revision Notes

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Version 1Updated 5 Mar 2026

⚡ 30-Second Revision

  • Indo-Sri Lanka Accord: July 29, 1987 (Rajiv Gandhi-J.R. Jayewardene)
  • IPKF deployment: 1987-1990 (failed intervention)
  • 13th Amendment: Provincial Councils system
  • Civil war end: May 2009 (LTTE defeated)
  • ISFTA: 2000 (first Indian bilateral FTA)
  • CEPA: 2017 (signed but not ratified)
  • Hambantota Port: 99-year lease to China (2017)
  • Economic crisis assistance: $4 billion (2022)
  • Distance: 30 km across Palk Strait
  • Main disputes: Tamil issue, fishermen arrests, China factor

2-Minute Revision

India-Sri Lanka relations are shaped by geographical proximity (30 km Palk Strait), historical ties, and complex contemporary challenges. The Tamil ethnic conflict led to India's most significant military intervention through IPKF (1987-1990) following the Indo-Sri Lanka Accord, which mandated the 13th Amendment creating Provincial Councils.

The intervention failed, fundamentally altering India's approach to the ethnic conflict. Post-2009 civil war end, relations normalized with focus on economic cooperation through ISFTA (2000) and proposed CEPA (2017).

China's growing presence via BRI projects, particularly Hambantota Port (99-year lease) and Colombo Port City, has introduced strategic competition dynamics. India responded with increased development assistance, demonstrated during Sri Lanka's 2022 economic crisis when India provided $4 billion support package.

Persistent challenges include fishermen disputes in Palk Bay, Tamil political aspirations, and balancing India's regional leadership with Sri Lankan sovereignty. The relationship exemplifies India's neighborhood first policy and strategic autonomy challenges in South Asia.

5-Minute Revision

India-Sri Lanka bilateral relations represent one of the most complex neighborhood relationships, characterized by deep historical connections, strategic significance, and multifaceted contemporary challenges. Geographically separated by just 30 kilometers across the Palk Strait, Sri Lanka's location makes it crucial for India's maritime security and Indian Ocean strategy.

The relationship's defining moment came with the ethnic conflict between Sri Lanka's Sinhalese majority and Tamil minority, which directly impacted India due to cultural and linguistic ties with Tamil Nadu.

The Indo-Sri Lanka Accord of July 29, 1987, signed by Rajiv Gandhi and J.R. Jayewardene, mandated the 13th Amendment to Sri Lanka's Constitution, creating Provincial Councils for power devolution, and led to IPKF deployment (1987-1990).

However, the intervention failed due to LTTE resistance, Sri Lankan resentment, and political costs, culminating in Rajiv Gandhi's assassination in 1991.

Post-civil war (ended May 2009), relations normalized with emphasis on economic cooperation. India became Sri Lanka's largest trading partner, with ISFTA (2000) as India's first bilateral FTA and CEPA (2017) awaiting ratification. However, China's growing influence through BRI projects, particularly the controversial Hambantota Port (99-year lease to China in 2017) and Colombo Port City project, has introduced strategic competition dynamics.

India's response includes increased development assistance, demonstrated during Sri Lanka's 2022 economic crisis when India provided over $4 billion in comprehensive support, contrasting with limited Chinese assistance. This showcased India's neighborhood first policy and regional leadership capabilities.

Persistent challenges include fishermen disputes in Palk Bay due to depleted fish stocks and boundary issues, unresolved Tamil political aspirations despite 13th Amendment, and balancing India's security concerns with Sri Lankan sovereignty. The relationship reflects broader themes of small state-great power dynamics, strategic autonomy, and regional integration challenges in South Asia.

Prelims Revision Notes

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  1. Key Dates and Events:

- Indo-Sri Lanka Accord: July 29, 1987 - IPKF deployment period: 1987-1990 - Sri Lankan civil war end: May 2009 - ISFTA signing: December 2000 - CEPA signing: January 2017 - Hambantota Port lease: December 2017

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  1. Constitutional Provisions:

- 13th Amendment to Sri Lankan Constitution (1987): Provincial Councils - Article 253 of Indian Constitution: Treaty implementation - Tamil as official language (alongside Sinhala and English)

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  1. Key Personalities:

- Rajiv Gandhi (Indian PM during Accord) - J.R. Jayewardene (Sri Lankan President during Accord) - Velupillai Prabhakaran (LTTE leader)

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  1. Geographical Facts:

- Palk Strait width: 30 kilometers - Palk Bay: Main fishermen dispute area - Adam's Bridge: Shallow water connection

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  1. Economic Data:

- Bilateral trade: 4.5billion(201920)Indiascrisisassistance:4.5 billion (2019-20) - India's crisis assistance:4+ billion (2022) - Hambantota Port lease: 99 years

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  1. Current Issues:

- CEPA ratification pending in Sri Lankan Parliament - Chinese debt trap diplomacy concerns - Tamil political devolution incomplete - Regular fishermen arrests in Palk Bay

Mains Revision Notes

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  1. Analytical Framework for Tamil Question:

- Historical roots: Language policies, citizenship issues - India's intervention rationale: Humanitarian, strategic, domestic pressure - IPKF failure causes: LTTE resistance, sovereignty concerns, political costs - Current approach: Diplomatic engagement, 13th Amendment advocacy

    1
  1. Strategic Competition Dynamics:

- Chinese projects: Hambantota Port, Colombo Port City, infrastructure - Indian concerns: Maritime security, debt trap, strategic encirclement - India's response: Development assistance, economic integration, diplomatic engagement - Sri Lankan balancing: Sovereignty maintenance, development needs

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  1. Economic Cooperation Dimensions:

- Trade evolution: ISFTA success, CEPA potential - Investment patterns: Indian companies in telecommunications, energy - Development assistance: Post-war reconstruction, crisis support - Challenges: Market access, domestic opposition in Sri Lanka

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  1. Crisis Diplomacy Case Study (2022):

- India's assistance: $4 billion package, fuel supplies, essential commodities - Strategic significance: Neighborhood first policy demonstration - Comparative advantage: Limited Chinese response despite investments - Long-term implications: Enhanced Indian influence, soft power projection

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  1. Policy Evolution Analysis:

- Pre-IPKF: Covert support to Tamil groups - IPKF period: Direct military intervention - Post-IPKF: Non-interference with Tamil welfare concern - Contemporary: Comprehensive engagement with strategic competition awareness

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  1. Future Challenges and Opportunities:

- Tamil political settlement through meaningful devolution - Economic integration via CEPA implementation - Maritime security cooperation enhancement - Managing great power competition constructively

Vyyuha Quick Recall

Vyyuha Quick Recall - 'TAMIL CRISIS': T-Tamil question (13th Amendment), A-Accord 1987 (July 29), M-Military intervention (IPKF 1987-90), I-Indian Ocean strategy, L-Lanka's sovereignty concerns, C-China factor (Hambantota), R-Relations normalized post-2009, I-Investment and trade (ISFTA/CEPA), S-Support during 2022 crisis ($4 billion). Remember '30-87-90-09' for key years: 30km distance, 1987 Accord, 1990 IPKF withdrawal, 2009 civil war end.

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