India–Cambodia Relations: History, Diplomacy, and Strategic Cooperation

Introduction

India and Cambodia share a historical relationship that dates back to the 1st century AD, when Hindu and Buddhist cultural influences began spreading from India to Southeast Asia. Cambodia, predominantly Buddhist today, retains a profound imprint of Hindu rituals, mythology, and architecture. This influence is evident in historical landmarks such as Angkor Wat, Angkor Thom, Bayon, Ta Prohm, and other sacred sites across the country.

The bilateral ties between India and Cambodia are characterized by warmth and mutual respect. Between 1954 and 1958, India served as the Chair of the International Control Commission (ICC), playing a pivotal role in resolving the Indo-China conflict. During this period, Indian Prime Minister Jawaharlal Nehru facilitated a meeting between Cambodia's Prince Sihanouk and Chinese Premier Zhou Enlai at the Bandung Asian–African Conference. This dialogue led to a promise of non-intervention by China in Southeast Asia, fostering a decade-long Sino-Cambodian friendship. The ICC’s involvement also enabled Cambodia to secure a U.S. military aid agreement in May 1955.

Despite differences in terminology—Cambodia identifying as "neutral" and India as "non-aligned"—both nations shared a commitment to anti-colonialism and rejection of military alliances, such as SEATO. During this era, both countries accepted economic aid from Western and communist blocs alike.

India’s proactive engagement continued after the collapse of the Khmer Rouge regime in 1979. Recognizing the new Cambodian government led by Heng Samrin, India opened its embassy in Phnom Penh in 1981, at a time when many nations distanced themselves from Cambodia. India’s involvement in the 1991 Paris Peace Agreements and subsequent contributions, including military personnel for the UN Transitional Authority in Cambodia (UNTAC) and support for demining operations, are highly valued by Cambodian leadership. Furthermore, India undertook the conservation of the iconic Angkor Wat temple between 1986 and 1993, contributing $4 million to the effort.

 

Historical Context

The history of Cambodia traces back to the 1st century AD with the establishment of the Indianized kingdom of Funan. Chinese records narrate the story of Kaundinya, an Indian Brahmin, who is said to have married a local queen after a victorious conquest, introducing Indian cultural practices to the region. Funan thrived for over five centuries, embracing Indian cultural and political elements in what scholars term "Indianization"—a process of cultural exchange rather than colonization.

Funan, known as the earliest Indianized state in Southeast Asia, leveraged its strategic location for maritime trade with China, India, Persia, and Europe. Its capital, Vyadhapura (modern-day Ba Phnom in Prey Veng province), anchored a network extending across present-day Cambodia, southern Vietnam, central Thailand, and beyond. By the 5th century, Funan's rulers adopted Indian cultural forms to sustain agrarian income, marking a significant evolution in the kingdom's socio-political structure.

Cambodian civilization achieved remarkable heights during the Angkor period (9th–15th centuries AD), epitomized by the grandeur of Angkor Wat. This cultural identity, deeply rooted in Indian influence, remains an integral part of Cambodia’s heritage.

 

Myths and Legends

Cambodian annals recount the mythical origins of the kingdom. One legend describes Preah Thong, a prince from Indraprastha (modern Delhi), who was exiled and ventured to the land of Kok Thlok. There, he married a Nagi (serpent princess), whose father, the Naga-raja, drained the water covering the land to expand the prince’s kingdom, naming it Kambuja. These legends, while not historically verified, serve as symbolic narratives celebrating the union of culture and nature and resonate in Cambodia's traditions, including its wedding ceremonies.

 

Transition from Funan to Chenla

By the 5th century, Funan reached its zenith, with Chenla, its northern vassal state on the Mekong, emerging as a dominant power. In the mid-6th century, Chenla annexed Funan, marking the end of Funan’s reign and the rise of a new era in Cambodian history.

This rich tapestry of historical and cultural connections underscores the enduring bond between India and Cambodia, rooted in shared heritage and mutual respect.

 

Cambodia-India Relations (1954–1958)

The period from 1954 to 1958 marked a crucial phase in Cambodia's diplomatic history, during which Prince Norodom Sihanouk emerged as a prominent figure on the global political stage. His leadership, characterized by navigating a complex web of domestic and international challenges, positioned him as a decisive actor in safeguarding Cambodia’s sovereignty. Despite accusations of opportunism and bias toward Eastern powers, Sihanouk's commitment to neutrality was pivotal in shaping Cambodia's foreign policy during a tumultuous era.

Navigating Regional Challenges

Following Cambodia’s independence from France in 1953–1954, the nation faced significant concerns about aggression from neighboring Vietnam and Thailand. These historical tensions, compounded by fears of regional instability, necessitated careful diplomacy. Internally, Sihanouk grappled with political dissent and threats to his leadership, further complicating his efforts to maintain stability.

Externally, Cambodia's international relations were influenced by its strategic position in the Cold War context. At the 1954 Geneva Conference, Sihanouk faced a critical choice: align with a military bloc for security or pursue non-alignment to preserve sovereignty and independence. Ultimately, Cambodia chose neutrality, rejecting military alliances such as the Southeast Asia Treaty Organization (SEATO).

Despite being included in SEATO’s treaty area, which theoretically provided protection against communist aggression, Cambodia received limited military support. U.S. Secretary of State John Foster Dulles' preference for mobile strike forces over region-specific commitments further diminished SEATO's efficacy. This lack of assurance prompted Sihanouk to seek alternatives, leading to closer engagement with India.

Strengthening Ties with India

India emerged as a key partner for Cambodia during this period, with Prime Minister Jawaharlal Nehru advocating a policy of peaceful coexistence. In March 1955, during Sihanouk’s visit to India, he endorsed Nehru's principles of sovereignty, mutual respect, and non-interference. These ideals aligned with Cambodia’s aspiration for neutrality and significantly influenced its foreign policy trajectory.

India’s leadership in the International Control Commission (ICC) between 1956 and 1958 underscored its commitment to maintaining peace in Cambodia. However, the ICC's effectiveness was limited, as it struggled to address border disputes involving Cambodia, Vietnam, and Thailand. Cambodia's rejection of ICC inquiries into South Vietnamese border violations in 1958 further diminished the commission’s influence.

Cultural and Developmental Cooperation

India extended substantial cultural and technical support to Cambodia during this period. Highlights of this cooperation include:

• Technical Assistance: Following Nehru’s 1954 visit to Phnom Penh, India provided vital aid, including the construction of infrastructure such as "Nehru Street" in the Cambodian capital.
• Humanitarian Aid: In 1955, India supplied 5,000 tons of rice to alleviate domestic shortages in Cambodia.
• Cultural Exchanges: India facilitated cultural exchanges, such as a 1956 tour by a delegation of Indian dancers and musicians led by the renowned actor Prithviraj Kapoor. Cambodia reciprocated by sending delegations to India to celebrate the 2,500th anniversary of the Buddha’s birth.
• Educational Initiatives: The Indian Council for Cultural Relations sponsored Cambodian students for higher education in India and arranged study tours for Cambodian educators.

Balancing Relations with India and China

From 1955 to 1958, Cambodia’s relations with India were notably cordial, while its ties with China remained largely formal. Nehru’s diplomacy emphasized Cambodia's neutrality as essential to regional peace, opposing alliances like SEATO that could provoke tensions. However, Chinese influence in Cambodia grew gradually after 1956, partly at India’s expense. Nehru's close relationship with Chinese Premier Zhou Enlai led him to encourage amicable relations between Cambodia and China, reflecting his broader vision of Asian solidarity.

Between 1954 and 1958, India played a significant role in Cambodia’s foreign and domestic affairs, fostering neutrality and offering economic and cultural assistance. Although China’s influence expanded over time, India’s contributions to Cambodia’s development and Nehru’s leadership in championing non-alignment ensured a lasting bond between the two nations. Prince Sihanouk consistently acknowledged Nehru’s exemplary role among non-aligned nations, underscoring India’s prominence in Cambodia’s early years of independence.

India's Role in Cambodia After the Khmer Rouge Regime

The fall of the Khmer Rouge regime in Cambodia, led by Pol Pot from 1975 to 1979, marked a turning point in the country’s history. On January 7, 1979, Vietnamese forces overthrew Pol Pot’s government and installed a new administration under Heng Samrin, aligning Cambodia with Vietnam. This shift raised concerns across Southeast Asia, particularly among ASEAN nations, which feared that Vietnam’s actions signaled a broader strategy of regional expansion. The Cambodian crisis quickly evolved into a geopolitical issue, intertwined with the Sino-Soviet rivalry and Cold War dynamics. While Beijing supported the Khmer Rouge, Vietnam’s backing of Heng Samrin aligned it with the Soviet Union, intensifying international tensions.

India’s response to the Cambodian situation varied significantly under two administrations: the Janata Party government (1977–1980) and Indira Gandhi’s Congress government (1980–1984). Each adopted distinct foreign policy approaches toward Cambodia, reflecting their broader diplomatic priorities and ideological stances.

 

1. Indian Foreign Policy under the Janata Party

The Janata Party, which came to power in March 1977 under Prime Minister Morarji Desai, marked a departure from the pro-Soviet foreign policy of Indira Gandhi. The Janata government emphasized a non-aligned, principled foreign policy, avoiding overt alignment with either superpower.

The simultaneous Vietnamese invasion of Cambodia and Chinese aggression against Vietnam in 1979 presented a diplomatic challenge for India. Some Indian parliamentarians condemned Vietnam’s intervention, while others recognized the Heng Samrin government. However, the Janata government refrained from formally recognizing Heng Samrin’s administration. In January 1979, Morarji Desai stated that recognition would be considered only upon receiving a formal request from Phnom Penh.

The Janata government’s cautious stance reflected its commitment to non-alignment. It condemned both Vietnam’s military intervention in Cambodia and China’s invasion of Vietnam but refrained from taking sides. This approach was consistent with the government’s broader efforts to balance relations with the United States and the Soviet Union without compromising India’s sovereignty and interests.

 

2. Indian Foreign Policy under Indira Gandhi

When Indira Gandhi returned to power in January 1980, her government adopted a more assertive foreign policy toward Cambodia. On July 7, 1980, India formally recognized the Heng Samrin government. This decision was based on the practical need to support Cambodia’s reconstruction and sovereignty and reflected India’s historical ties with the region.

India’s External Affairs Minister, P.V. Narasimha Rao, emphasized these connections, citing the shared cultural heritage symbolized by Angkor Wat and expressing sympathy for the suffering of the Cambodian people. India pledged to assist Cambodia in rebuilding its economy and restoring its infrastructure, advocating for international aid to support these efforts.

Despite criticism from ASEAN nations and other countries at the Commonwealth Heads of Government meeting in New Delhi, Indira Gandhi defended India’s recognition of Heng Samrin’s government. She argued that Vietnam’s intervention could not be viewed in isolation but as a response to the atrocities of the Khmer Rouge regime and external powers supporting it. Gandhi stressed the importance of negotiation and dialogue over confrontation, advocating for a peaceful resolution to tensions in Southeast Asia.

India’s policy under Gandhi aimed to balance support for Cambodia’s sovereignty with continued engagement with ASEAN nations. It called for the eventual withdrawal of Vietnamese troops from Cambodia but stressed that this should occur through peaceful means, not external military pressure.

Key Considerations in India’s Policy

India’s recognition of the Heng Samrin government and its broader policy toward Cambodia were shaped by three main factors:

1. Domestic Political Consensus: A significant majority of Indian political opinion favored recognizing Heng Samrin’s government as the legitimate authority in Cambodia.
2. Recognition of Reality: The Heng Samrin administration was the de facto government in Cambodia, and India viewed it as a more viable alternative to the Khmer Rouge.
3. Moral and Humanitarian Considerations: India’s support for Heng Samrin’s government was rooted in a moral rejection of the Khmer Rouge’s brutality and a humanitarian commitment to aid Cambodia’s recovery.

India’s role in Cambodia following the Khmer Rouge regime reflects the complexity of its non-aligned foreign policy during the Cold War. While the Janata government maintained a cautious and neutral stance, Indira Gandhi’s administration took decisive action by recognizing Heng Samrin’s government and providing diplomatic and moral support. This shift underscored India’s commitment to fostering stability, sovereignty, and reconstruction in Cambodia while balancing its regional and international relationships. Through its policies, India sought to position itself as a principled and constructive actor in Southeast Asia during a challenging period in Cambodia’s history.

IV. Cambodia and India Defense Cooperation

The defense cooperation between India and Cambodia has been a cornerstone of their bilateral relationship, beginning with India's contribution to the United Nations Transitional Authority in Cambodia (UNTAC) from 1992 to 1993. The engagement was formalized in December 2007 during Prime Minister Hun Sen's visit to India, when an agreement on defense cooperation was signed. This framework aimed to strengthen bilateral ties through training, material assistance, seminars, and exchange visits.

Training Programs:
Training has been the central pillar of India-Cambodia defense cooperation. Since 2007, India has conducted annual training programs in Cambodia for personnel from the Royal Cambodian Armed Forces (RCAF) destined for United Nations peacekeeping missions. Indian defense teams visit Cambodia annually to conduct three-week training sessions. For instance, the fifth training program took place from August 26 to September 13, 2011. Cambodian forces trained by India have been deployed on peacekeeping missions in Sudan, Chad, the Central African Republic, and Lebanon, showcasing the effectiveness of this partnership.

Naval Engagements:
Indian naval ships regularly visit Cambodian ports, particularly Sihanoukville, as part of goodwill missions. Notable visits include the July 12–16, 2011 visit, during which a reception was hosted onboard for Cambodian dignitaries, diplomats, and the Indian community. These engagements highlight the mutual goodwill and cooperation between the two nations’ naval forces.

High-Level Visits and Multilateral Cooperation:
In addition to bilateral defense cooperation, Cambodia and India engage in multilateral forums, reflecting their shared strategic interests. Cambodia has consistently supported India’s bid for permanent membership in the United Nations Security Council, with Prime Minister Hun Sen affirming this at the South Summit in Havana in April 2000 and reiterating it in various international forums.

High-level meetings between the leaders of both nations further underscore the depth of their relationship. For example, Prime Minister Dr. Manmohan Singh visited Cambodia in November 2012 to participate in the 10th ASEAN-India Summit and the 7th East Asia Summit. Similarly, Prime Minister Hun Sen attended the ASEAN-India Commemorative Summit in New Delhi in December 2012.

 

V. Conclusion

The historical and evolving relationship between India and Cambodia highlights India’s pivotal role in Cambodia’s political and economic development and its integration into the global community.

From its early role as chair of the International Control Commission (ICC) to its active involvement in facilitating Cambodia’s neutrality during the 1950s, India has consistently demonstrated a commitment to Cambodia’s sovereignty and stability. Prime Minister Nehru’s engagement with Prince Sihanouk during the Bandung Conference laid the groundwork for Cambodia’s neutral foreign policy and closer ties with India.

India’s recognition of the Heng Samrin government in 1981, despite widespread international reluctance, marked a turning point for Cambodia’s global standing. By reopening its embassy in Phnom Penh, India catalyzed Cambodia’s reintegration into the international community. This diplomatic support was complemented by India’s defense cooperation and economic development initiatives, including training Cambodian forces, enhancing regional security, and fostering bilateral goodwill.

India and Cambodia’s relationship remains strong, grounded in shared historical ties, mutual respect, and common goals. India’s contributions to Cambodia’s defense capabilities and political legitimacy underline its enduring role as a key partner in Cambodia’s development and as a supporter of peace and stability in Southeast Asia.

 

References

1. Sar Desai, D.R. Indian Foreign Policy in Cambodia, Laos, and Vietnam. University of California Press, 1968.
2. Smith, Roger M. Cambodia's Foreign Policy. Cornell University Press, 1965.
3. Chakraborti, Tridib. India and Kampuchea. Calcutta: Minerva Associates Publications, 1985.
4. Audric, J. Angkor and the Khmer Empire. London: Robert Hale, 1972.
5. Reddi, V.M. “Cambodian Neutralism.” International Studies, Vol. II, October 1960, pp. 190–205.
6. Ayoob, Mohammed. India and Southeast Asia: A Study of Indian Perceptions and Policies. London: Routledge, 1990.
7. Indian Embassy in Phnom Penh, “Bilateral Relations – Political.”
8. Indian Embassy in Phnom Penh, “Bilateral Relations – Defense Cooperation.”

 

About the Author

Thoeun Vongdy currently works at the Japan International Cooperation Agency (JICA) in the Social Development & Governance section. He holds a Master’s degree in Politics with a specialization in International Relations from Jawaharlal Nehru University (JNU), India. He is a Ph.D. student in International Relations at the University of Cambodia (UC), with research interests in world politics, India-Cambodia and China-Cambodia relations, and global security issues.