The India-China trade, which in recent years rose sharply despite bilateral tensions over the border dispute, showed the first signs of a slowdown in years falling by 0.9 per cent in the first half of this year.China’s exports to India in the first half of this year totalled $56.53 billion compared to $57.51 billion last year registering a decline of 0.9 per cent, according to the data released by Chinese customs on Thursday.