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China–India relations

Bilateral relations

  • 52 min read
  • 10 chapters

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Cultural and economic relations between China and India date back to ancient times. The Silk Road not only served as a major trade route between India and China, but is also credited for facilitating the spread of Buddhism from India to East Asia. During the 19th century, the British East India Company increasingly exported opium, grown in India, leading to the Opium Wars. During World War II, both British India and the Republic of China (ROC) played a crucial role in halting the progress of Imperial Japan. After India became independent in 1947, it established relations with the ROC. The modern Sino-Indian diplomatic relationship began in 1950, when India was among the first noncommunist countries to end formal relations with the Republic of China and recognise the PRC as the legitimate government of both Mainland China and Taiwan. China and India are two of the major regional powers in Asia, and are the two most populous countries and among the fastest growing major economies in the world.

Growth in diplomatic and economic influence has increased the significance of their bilateral relationship. Between 2008 and 2021, China was India's largest trading partner, and the two countries have extended their strategic and military relations. India has a large trade deficit that is favoured towards China. The Sino-Indian border dispute, manifested by the Line of Actual Control (LAC), remains a central issue, resulting in the 1962 Sino-Indian War, the clashes in 1967, and the a standoff in 1987. Since the late 1980s, both countries have rebuilt diplomatic and economic ties; a 1996 agreement forbids firearms and explosives near the LAC.

Border deconfliction mechanisms emerged, beginning with the 2003 Special Representatives. Renewed conflicts included standoffs in 2013, and in 2017; major skirmishes in 2020-2021 resulted in dozens of deaths on both sides; military infrastructure near the LAC continues to grow. India's concerns include China's close relations with Pakistan, and with separatist groups in Northeast India. China's concerns include Indian military and economic activities in the disputed South China Sea and hosting of Tibetan exiles. Today, South Asia is the primary site of great power competition between China and India.

Geopolitical overview

The China–India border straddles the Himalayas, with Nepal and Bhutan acting as buffer states. Parts of the disputed Kashmir region claimed by India (J&K and Ladakh) are claimed and administered by either Pakistan (Azad Kashmir and Gilgit Baltistan) or by the PRC (Aksai Chin). The Government of Pakistan, on its maps, shows the Aksai Chin area as mostly within China and labels the boundary "Frontier Undefined", while India holds that Aksai Chin is illegally occupied by the PRC. China and India also dispute most of Arunachal Pradesh.

Not only is China's India policy shaped by greater competition with the United States, but there are also real structural issues in India-China relations that exacerbate discord. These stem largely from China's attempts to keep India at arm's length in the Indo-Pacific region. There are clear differences in the regional order in Asia that the two countries desire—India seeks a multipolar order, of which India is one of the main poles, while China seeks a single pole, of which India is not a pole at all.

As India strengthens its security ties with the United States and takes a leading role in organizing the Global South, tensions with China persist. China's engagement with India's neighbors and growing military cooperation with Pakistan further strain India's geopolitical landscape. In this volatile landscape, Sino-Indian relations seek a delicate balance between pragmatic economic interests and escalating geopolitical tensions.

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