Showing a decisive recovery, the country's six key infrastructure industries grew by 7.1 per cent in August, this year, against 2.1 per cent in the same month a year ago. Cement was on top of the table expanding by 17.6 per cent in August, compared to mere 1.9 per cent growth in the same month last year. The other sectors which did well included coal, at 12.9 per cent, and electricity at 9.8 per cent. There was a marked improvement in April-August 2009 as well, with a growth rate of 4.8 per cent, against 3.3 per cent in the corresponding period last year.