Growth in the infrastructure sector, which has a combined weight of about 38 percent in the Index of Industrial Production (IIP), was 1.2 percent in June 2013.
Coal, crude oil, cement and electricity recorded a growth of 8.1 percent, 0.1 percent, 13.6 percent and 15.7 percent respectively in the month under review.
Natural gas and fertiliser output recorded a negative growth of 1.7 percent and 1 percent, according to the data of the Commerce and Industry Ministry.
Refinery products output growth slowed down by 1.2 percent as against 1.8 percent in June last year. Similarly steel production too declined by 4.2 percent in June from 7.6 percent in the same month last year.
During April-June, growth in the eight core industries grew by 4.6 percent from 3.7 percent in the year-ago period.