7 active areas of cooperation, as of 21 March 2025. Click any card for the full brief.
01 POLITICAL EXCHANGES DEEP
Sustained high-level engagement through leadership changes India and Sri Lanka's political relationship rests on over 2,500 years of civilisational contact, most consequentially the spread of Buddhism from India to Sri Lanka in the 3rd century BCE under Emperor Ashoka, which shaped Sri Lankan religious and cultural identity ever since - giving the modern diplomatic relationship a depth of shared heritage matched by almost no other bilateral tie India has.
That deep affinity has coexisted with real political complexity, most notably India's controversial military intervention as the Indian Peace Keeping Force (IPKF) from 1987 to 1990, deployed under the India-Sri Lanka Accord to enforce a ceasefire in the Sri Lankan civil war - an intervention that ended in heavy IPKF casualties and lasting sensitivities on both sides, and remains a reference point whenever India's role in Sri Lanka's internal affairs is discussed. Relations were rebuilt carefully in the following decades through India's 'Neighbourhood First' policy and, more recently, its MAHASAGAR vision, emphasising economic and developmental partnership over security intervention.
That rebuilt trust was evident when EAM Jaishankar became the first foreign dignitary to visit Sri Lanka after President Anura Kumara Disanayaka took office in October 2024, converting $20 million of completed Line of Credit project payments into grants and gifting 22 diesel locomotives; Disanayaka reciprocated by making India his first overseas trip as President that December, producing the joint statement 'Fostering Partnerships for a Shared Future' and a DTAA amendment protocol. NSA Doval's August 2024 visit for the founding of the Colombo Security Conclave signalled a security relationship now built on regional cooperation rather than the unilateral intervention model of the 1980s.
FIRST FOREIGN VISIT TO NEW PRESIDENT COLOMBO SECURITY CONCLAVE
Read brief → 02 TRADE & COMMERCE DEEP
Among Sri Lanka's largest trading partners Trade between India and Sri Lanka has ancient roots in cross-Palk Strait maritime commerce, but the modern trade relationship was transformed by the India-Sri Lanka Free Trade Agreement (ISFTA), signed in 1998 and in force from 2000 - one of India's earliest bilateral FTAs anywhere, well before India's later wave of trade agreements with Asian and Western partners.
ISFTA drove substantial trade growth over the following two decades, though a planned follow-on Comprehensive Economic Partnership Agreement (CEPA), negotiated in the mid-2000s to deepen ISFTA into services and investment, stalled amid domestic political opposition in Sri Lanka and was shelved for years before being relaunched in narrower form as the Economic and Technology Cooperation Agreement (ETCA). ETCA negotiations resumed in October 2023 after a five-year pause, reaching their 14th round by July 2024 - a slow-moving but persistent effort to finish what CEPA could not nearly two decades earlier.
Merchandise trade reached $5.54 billion in FY2023-24 (India's exports $4.11 billion, Sri Lanka's exports $1.42 billion), with FY2024-25 (April-November) already at $3.67 billion, and India has become one of Sri Lanka's largest sources of FDI, with cumulative investment of $2.25 billion by 2023 across energy, hospitality, real estate, manufacturing, telecom and banking - built steadily since ISFTA first opened the modern trade relationship in 2000.
$5.54BN TRADE ETCA NEGOTIATIONS
Read brief → 03 CONNECTIVITY & TOURISM DEEP
Ferries, UPI, and the Economic Land Corridor Physical connectivity across the narrow Palk Strait - just 30km at its closest point - has waxed and waned repeatedly over the decades, disrupted for years at a time by the Sri Lankan civil war (1983-2009) and its aftermath, which shut down ferry and much of the direct transport links that had once connected the two countries' Tamil-populated regions particularly closely.
Restoring that connectivity became a deliberate post-war priority: the Chennai-Jaffna air link resumed in December 2022, and ferry services between Nagapattinam and Kankesanthurai - severed for decades during the conflict - resumed in October 2023, both symbolically and practically important given the deep Tamil-Tamil family and cultural ties across the strait. India extended a $61.5 million grant to develop Kankesanthurai port itself, while UPI QR payments launched in Sri Lanka in February 2024, extending India's digital-payments diplomacy to its closest neighbour.
More ambitious connectivity remains under discussion rather than built: an Economic Land Corridor to Trincomalee and Colombo, a multi-product pipeline, and power grid interconnection have all been proposed but not yet realised. India has meanwhile become Sri Lanka's leading tourist source market in both 2023 (about 300,000 arrivals, roughly 20% of the total) and 2024 (about 416,000 arrivals, still around 20%), a tourism relationship that recovered strongly once pandemic-era and civil-war-era travel disruptions eased.
UPI LAUNCHED KANKESANTHURAI PORT
Read brief → 04 DEVELOPMENT COOPERATION DEEP
$7bn+ in credit assistance, Indian Housing Project India's development assistance to Sri Lanka scaled up dramatically in the aftermath of the 26-year civil war (1983-2009), particularly in the war-affected Northern and Eastern Provinces where reconstruction needs were most acute and where India's own historical and Tamil-community ties gave it particular reason to invest in rebuilding.
The flagship Indian Housing Project, launched in that post-war reconstruction period, became one of the largest single housing programmes any foreign government has funded in Sri Lanka: built across four phases and over ₹1,800 crore, it has delivered 60,000 houses, including a dedicated 10,000-home component specifically for plantation-sector Tamil workers - a community with especially deep, decades-old ties to India given many trace their ancestry to indentured labour brought from India by British colonial planters in the 19th century.
India's overall credit assistance to Sri Lanka now exceeds $7 billion cumulative (concessional loans, payment deferments and currency swaps), with grant assistance of about $780 million spanning 25 districts funding landmark projects including the island-wide Suwa Seriya emergency ambulance service, Northern Railway line upgrades (rebuilding rail infrastructure destroyed during the war), a multi-specialty hospital at Dickoya in the plantation heartland, and the ₹300 crore Sri Lanka Unique Digital Identity project - together making Sri Lanka one of the largest recipients of Indian development assistance anywhere.
$7BN+ CREDIT ASSISTANCE 60,000 HOUSES
Read brief → 05 CRISIS RESPONSE DEEP
$4bn support during the 2022 economic crisis India's role as Sri Lanka's default first responder in crisis is a pattern that has repeated across multiple, very different emergencies over the past decade, building a track record that has become one of the defining features of the modern bilateral relationship, independent of whichever government holds power in either capital.
That pattern began with rapid disaster response - providing aid after the 2004 Indian Ocean tsunami devastated Sri Lanka's coastline, and again after the MT New Diamond oil tanker fire (2020) and MV X-Press Pearl chemical-cargo ship disaster (2021), both major maritime environmental emergencies off Sri Lanka's coast. India was also first to respond during COVID-19, gifting 500,000 Covishield vaccine doses in January 2021 as Sri Lanka's own vaccination campaign was just beginning.
That track record culminated in India's response to Sri Lanka's catastrophic 2022 economic crisis - the worst since independence, triggered by foreign-reserve depletion and fuel/food shortages - when India extended close to $4 billion in assistance: a $500 million Line of Credit for petroleum, a $400 million currency swap via the RBI, a $1 billion credit facility for food, medicine, fuel and industrial inputs, about $2 billion in Asian Clearing Union payment deferment, and a further $55 million Line of Credit for urea fertiliser, making India by far the largest single source of external support during Sri Lanka's darkest post-independence economic moment.
$4BN 2022 CRISIS SUPPORT COVISHIELD DONATION
Read brief → 06 DEFENCE & SECURITY DEEP
SLINEX, Mitra Shakti and the Colombo Security Conclave Defence cooperation carries the heaviest historical weight of any area in the relationship, given the IPKF's contested 1987-90 deployment during the civil war - an episode that left lasting caution in Sri Lanka about direct Indian military involvement, and shaped a subsequent defence relationship built deliberately around joint exercises, training and capacity-building rather than any form of intervention.
That more cautious, partnership-based model has produced steadily deepening institutionalised cooperation since the war's 2009 end: annual bilateral exercises SLINEX (Navy) and Mitra Shakti (Army) now alternate between the two countries as a matter of routine, with the latest SLINEX held off Visakhapatnam in December 2024 and Mitra Shakti in Sri Lanka in August 2024. India has taken on a growing maritime-domain-awareness role too, commissioning a Maritime Rescue Coordination Centre for the Sri Lanka Navy in June 2024 and operating a Dornier maritime-surveillance aircraft from Trincomalee since August 2022 - filling a capability gap for a country whose own navy has limited surveillance reach.
India offers about 1,200 training vacancies annually for Sri Lankan armed forces, embedding a generation of Sri Lankan officers in Indian military education, while the Colombo Security Conclave - founded with NSA Doval's participation in August 2024 - has become a key regional platform bringing India, Sri Lanka, Maldives, Mauritius and Bangladesh together on counter-terrorism and maritime security, a genuinely multilateral evolution of what began as a bilateral, and historically fraught, defence relationship.
SLINEX / MITRA SHAKTI MRCC COMMISSIONED
Read brief → 07 EDUCATION & CULTURE ACTIVE
710 annual scholarships, shared Buddhist heritage Education and cultural cooperation draw on the same 2,500-year civilisational relationship that anchors the whole partnership - most centrally the spread of Buddhism from India to Sri Lanka over two millennia ago, which remains the single most important shared cultural and religious reference point between the two countries to this day.
Modern institutional cooperation has built steadily on that ancient foundation: the Indian Gallery at Kandy's International Buddhist Museum showcases Buddhism's Indian origins to Sri Lankan and international visitors, the restoration of the Thirukeeteswaram Temple at Mannar (one of Sri Lanka's most significant Hindu Shaivite sites, with roots going back over a thousand years) reflects India's investment in Sri Lanka's own ancient Hindu heritage sites, and long-term ICCR Hindi chairs at Kelaniya and Sabaragamuwa Universities have built modern academic language ties atop the older shared religious history.
Scholarship and training programmes have scaled up in parallel: India now offers about 710 scholarship slots annually to Sri Lankan students and 402 ITEC training slots, while a framework agreement will train 1,500 Sri Lankan civil servants over five years via India's National Centre for Good Governance - extending a millennia-old cultural relationship into concrete, present-day capacity-building for a new generation of Sri Lankan students and officials.
710 SCHOLARSHIPS/YEAR BUDDHIST HERITAGE PROJECTS
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