New Delhi, June 20 -- The output of eight core infrastructure sectors, which account for two-fifths of India's industrial output,expanded by 0.7% in May, the ministry of commerce & industry said on Friday. The expansion was led by positive growth in the production of cement, steel, coal and refinery products

The index had expanded by a revised 1% in April.

The Index of Eight Core Industries measures the combined and individual output of key industries - coal, crude oil, natural gas, refinery products, fertilizers, steel, cement and electricity.

The eight core industries comprise 40.27 percent of the weight of items included in the Index of Industrial Production.

India's manufacturing sector activity had dropped to a three-month low in...