Indian Prime Minister Narendra Modi (right) shakes hands with Chinese President Xi Jinping during a meeting in New Delhi (18 September 2014)
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How China and India measure up

Narendra Modi begins his first visit to China as India's prime minister on Thursday.

He will meet President Xi Jinping in Xian before moving on to Beijing and Shanghai.

The relationship between the world's two most populous countries is complex - not least economically.

The BBC's Sameer Hashmi has been getting a taste of what is to come from Mumbai.

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