The growth rate of eight core sector industries slowed to three-month low of 2.4 per cent in December last year as production of crude oil, natural gas, fertiliser and steel declined. The eight core sector industries -- coal, crude oil, natural gas, refinery products, fertiliser, steel, cement and electricity -- had expanded by 4 per cent in December 2013. The growth was 6.7 per cent in November last year.
However, coal production grew by 7.5 per cent, refinery products by 6.1 per cent and cement output by 3.8 per in the month under review. The growth in electricity generation declined to 3.7 per cent in December last year from 7.6 per cent in December 2013. During April-December, the eight sectors grew by 4.4 per cent as against 4.1 per cent in the same period last year.