India’s Relations with its Neighbours: Pakistan, China, Nepal, Bangladesh & Sri Lanka

India’s relations with its neighbouring countries play a crucial role in shaping its foreign policy and regional strategy. Due to its geographical location, historical connections, economic interests, and security concerns, India’s interactions with South Asian neighbours have always been of immense significance. India follows the principle of “Neighbourhood First,” emphasizing regional cooperation, peace, economic integration, and mutual development. However, relations with neighbouring countries are often influenced by border disputes, political tensions, security challenges, and external geopolitical influences. Among India’s neighbours, Pakistan, China, Nepal, Bangladesh, and Sri Lanka hold particular importance because of their strategic, economic, and historical relevance.

India’s relations with Pakistan have remained one of the most complex and sensitive aspects of South Asian politics. The roots of tension between the two countries lie in the partition of British India in 1947, which led to large-scale violence, migration, and disputes over territory. The issue of Jammu and Kashmir became the central point of conflict soon after independence. India and Pakistan have fought multiple wars, including those in 1947–48, 1965, and 1971, along with the Kargil conflict in 1999.

The 1971 war resulted in the creation of Bangladesh, significantly altering the political landscape of South Asia. Relations between India and Pakistan have also been affected by terrorism and cross-border militancy. India has repeatedly accused Pakistan-based groups of carrying out terrorist attacks, including the 2001 Parliament attack and the 2008 Mumbai attacks. These incidents severely strained diplomatic ties and reduced opportunities for dialogue.

Despite tensions, both countries have occasionally attempted peace initiatives. Agreements such as the Simla Agreement of 1972 and the Lahore Declaration of 1999 sought to improve bilateral relations and promote peaceful resolution of disputes. Trade and cultural exchanges have also taken place intermittently. However, mistrust, security concerns, and political instability in the region continue to affect the relationship. The presence of nuclear weapons in both countries further adds to the strategic significance of Indo-Pak relations.

India’s relationship with China is another major aspect of its foreign policy. India and China are two of the world’s largest and most populous countries, sharing a long border and ancient cultural ties. Diplomatic relations between the two countries were initially friendly after India’s independence, symbolized by the slogan “Hindi-Chini Bhai Bhai.” However, tensions emerged due to border disputes, particularly regarding Aksai Chin and Arunachal Pradesh.

The relationship deteriorated significantly after the Sino-Indian War, in which China defeated India and occupied Aksai Chin. Since then, border disputes have remained a persistent source of tension. Incidents such as the Doklam standoff in 2017 and the Galwan Valley clash in 2020 further strained relations.

Despite these disputes, India and China maintain strong economic ties. China is one of India’s largest trading partners, and both countries cooperate in forums such as BRICS and the Shanghai Cooperation Organisation. However, India remains concerned about China’s growing influence in South Asia and the Indian Ocean region, including projects under the Belt and Road Initiative. Strategic competition between the two countries has therefore become an important feature of Asian geopolitics.

India’s relations with Nepal are rooted in deep historical, cultural, religious, and geographical ties. Nepal shares an open border with India, allowing free movement of people and goods. The two countries have close people-to-people relations, and millions of Nepali citizens work or reside in India.

The Indo-Nepal Treaty of Peace and Friendship signed in 1950 established the foundation of bilateral cooperation. India has traditionally been Nepal’s largest trade partner and has provided economic assistance and infrastructure support. Hydropower cooperation and connectivity projects are also important aspects of the relationship.

However, relations have sometimes experienced tensions due to political developments and border issues. Nepal has occasionally expressed concerns regarding India’s influence in its domestic politics. Disputes over territories such as Kalapani and Lipulekh have also created friction. Additionally, China’s increasing engagement with Nepal has introduced new strategic dimensions to the relationship. Despite these challenges, India and Nepal continue to maintain close cultural and economic ties.

India’s relations with Bangladesh have improved significantly over the past few decades and are often regarded as one of the success stories of South Asian diplomacy. India played a crucial role in the liberation of Bangladesh during the 1971 Bangladesh Liberation War. Since then, the two countries have developed strong political, economic, and cultural relations.

Cooperation between India and Bangladesh has expanded in areas such as trade, energy, connectivity, and security. The settlement of the land boundary dispute through the Land Boundary Agreement of 2015 was a major diplomatic achievement. India and Bangladesh have also cooperated closely in combating terrorism and cross-border crimes.

Trade relations between the two countries have grown rapidly, and connectivity projects involving roads, railways, and waterways have strengthened regional integration. Bangladesh is also important for India’s northeastern states, as connectivity through Bangladeshi territory enhances economic opportunities in the region.

However, certain issues continue to create challenges. Water-sharing disputes, particularly concerning the Teesta River, remain unresolved. Illegal migration and border management also occasionally create tensions. Despite these issues, the overall relationship remains positive and cooperative.

India’s relations with Sri Lanka are shaped by geographical proximity, cultural links, and strategic interests in the Indian Ocean region. India and Sri Lanka share historical ties based on religion, trade, and culture, particularly through Buddhism and Tamil connections.

Relations became complicated during the Sri Lankan civil war between the Sri Lankan government and the Liberation Tigers of Tamil Eelam (LTTE). India initially supported Tamil interests but later intervened through the Indian Peace Keeping Force (IPKF) in the late 1980s. The assassination of former Indian Prime Minister Rajiv Gandhi by LTTE operatives in 1991 significantly affected India’s approach toward the conflict.

In recent years, India and Sri Lanka have strengthened cooperation in trade, development, maritime security, and infrastructure. India has provided financial assistance and humanitarian support to Sri Lanka during economic crises. The strategic importance of Sri Lanka in the Indian Ocean has increased due to China’s growing presence in the region, including investments in ports such as Hambantota.

India remains cautious about external powers gaining strategic influence in Sri Lanka and therefore continues to emphasize strong bilateral cooperation. Cultural diplomacy, tourism, and educational exchanges also contribute positively to the relationship.

India’s relations with its neighbours are influenced by multiple factors including geography, security concerns, economic cooperation, historical experiences, and global geopolitics. South Asia remains one of the least integrated regions in the world despite cultural and historical similarities. Political mistrust, border disputes, terrorism, and external influences often hinder regional cooperation.

At the same time, regional organizations such as the South Asian Association for Regional Cooperation aim to promote economic and social cooperation among South Asian countries. India has also promoted initiatives focused on connectivity, trade, disaster management, and development partnerships within the region.

In conclusion, India’s relations with Pakistan, China, Nepal, Bangladesh, and Sri Lanka reflect both opportunities and challenges in South Asian and Asian geopolitics. While disputes and strategic rivalries continue to affect bilateral ties, economic cooperation, cultural exchanges, and regional connectivity provide avenues for constructive engagement. India’s ability to maintain peaceful and cooperative relations with its neighbours is essential not only for regional stability but also for its emergence as a major global power.


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I’m Aishwarya Sandeep

Adv. Aishwarya Sandeep is a Media and IPR Lawyer, TEDx speaker, and founder of Law School Uncensored, committed to making legal knowledge practical, accessible, and career-oriented for the next generation of lawyers.

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