Industrial production growth rate slowed to 2.4 per cent in May, this year due to contraction in capital goods and mining output, coupled with poor show by manufacturing sector.According to the official data released today, growth in factory output, as measured by the Index of Industrial Production or IIP, was 6.2 per cent in May 2011, Meanwhile, the industrial growth rate for April, 2012 was revised to 0.9 per cent, from 0.1 per cent reported earlier.For the first two months of the current fiscal, April-May, the industrial growth is sharply lower at 0.8 percent, compared to 5.7 per cent in the year-ago period.However, consumer Durables production showed a faster growth rate of 9.3 per cent in May, as compared to 5.1 per cent in thesame month last year.The consumer non-durables segment output growth remained flat at 0.1 per cent in May, as against 9 per cent in the same month last year.Power generation witnessed a slower growth of 5.9 per cent during May, compared to 10.3 per cent in the same month a year ago.In all, 12 of the 22 industry groups in the manufacturing sector have shown positive growth during May as compared to the same month a year ago.