"Growth in India is forecast to pick up further in 2017 and 2018," the IMF said in its latest World Economic Outlook Update released in Kuala Lumpur on Monday.
China's growth, the IMF said, is expected to remain at 6.7 per cent in 2017, the same level as in 2016, and to decline only modestly in 2018 to 6.4 per cent.
Global output is projected to grow by 3.5 per cent in 2017 and 3.6 per cent in 2018, said the report.
Global growth for 2016 is now estimated at 3.2 per cent, slightly stronger than that of April 2017.
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This primarily reflects much higher growth in Iran and stronger activity in India following national accounts revisions, the report said.
"Economic activity in both advanced economies and emerging and developing economies is forecast to accelerate in 2017, to 2 per centand 4.6 per centrespectively, with global growth projected to be 3.5 per cent, unchanged from the April forecast," it said.
The 2018global growth forecast is unchanged at 3.6 per cent.
The revisions mirror primarily macroeconomic implications of changes in policy assumptions for the world's two largest economies, the United States and China, the multilateral agency said.
According to the report, China's forecast for 2017 was revised up by 0.1 percentage point, signalling the stronger than expected outturn in the first quarter of the year underpinned by previous policy easing and supply-side reforms.
The delay comes at the cost of further large increases in debt, but downside risks around this baseline have also increased, it said.
According to the IMF, China's failure to continue focus on addressing financial sector risks and curb excessive credit growth could result in an abrupt growth slowdown, with adverse spillovers to other countries through trade, commodity price, and confidence channels.
A faster-than-expected monetary policy normalisation in the United States could tighten global financial conditions and trigger reversals in capital flows to emerging economies, along with US dollar appreciation, it predicted.