The eight core sector industries -- coal, crude oil, natural gas, refinery products, fertilisers, steel, cement, electricity -- grew by 5.8 per cent in November 2012.
According to the data released by the government today, the output of eight infrastructure industries in April-November grew by a mere 2.5 per cent against 6.7 per cent in the same period of the last fiscal.
The eight core industries have a combined weight of about 38 per cent in the Index for Industrial Production (IIP).
Natural gas output fell 11.3 per cent in November year-on-year. Petroleum refinery production shrank by 5 per cent.
Fertiliser output growth slowed down to 0.6 per cent in the month under review,. Steel production also decelerated by 3.9 per cent.
Among those which put up a good performance, cement which registered a growth of 4.2 per cent and electricity generation grew at 5.9 per cent.
Coal output grew by 2.3 per cent in November as against (-) 2.9 per cent in the same month last year.
