Annual infrastructure output nudged up 0.4% in June, crimped by a contraction in production of coal, cement and refinery products, government data showed on Monday.
The output grew a revised 4.1% year-on-year in May.
Data released by the Commerce and Industry Ministry on Monday also showed that the eight core industries — coal, crude oil, natural gas, refinery products, fertiliser, steel, cement and electricity — had a cumulative growth of 2.4 % in the first three months of the current financial year.
This is less than half the 6.9 % growth that was seen in same period of FY17.
Contributing 40 % to the total industrial production, core sector output had managed to rise in May mainly due to a significant rise in the electricity sector supported by refinery products and natural gas.
In June, however, the electricity sector managed to rise by only 0.7 %. But the slowest growth was witnessed by crude oil production, which rose by only 0.6 %.
Coal output contracted 6.7%, while cement production contracted 5.8% on year last month.