China's President Xi Jinping has begun his first official visit to India, with a focus on improving trade ties and resolving the decades-old dispute over border areas.
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China is one of India's top trading partners and the Asian neighbors are the world's most populous countries.
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The two countries disagree over the demarcation of several Himalayan border areas and fought a brief war in 1962.
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Tensions over the issue still flare up from time to time.
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Beijing and Delhi have held numerous rounds of border talks, but all have been unsuccessful so far.
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Mr Xi's visit comes amid unconfirmed reports in the Indian media of a new face-off on the border.
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The reports said that Indian troops had spotted their Chinese counterparts trying to construct a temporary road into the Indian territory across the Line of Actual Control (the de facto boundary) in the Ladakh region.
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Ties between the two countries have received a boost under the new Indian Prime Minister Narendra Modi, who has pledged to revitalise the economy and deepen ties with China during his term of office.
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In July, the two leaders met on the sidelines of the sixth Brics summit in Brazil and stressed the need to boost bilateral relations.Â