Healthy output of electricity, coal and crude oil has helped in pushing the core sector growth to 4.5% in February from 1.3% in the same month a year ago.
The Index of eight core industries grew 1.6% in January this year.
The eight core industries -- fertilisers, cement, steel, electricity, crude oil, coal, petroleum refinery products and natural gas -- have a combined weight of about 38% in the Index of Industrial Production.
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Electricity generation grew exponentially by 10.4% in the month under review as against (-) 3.7% in February 2013.
Output of coal and crude oil registered a growth of 0.1% and 1.9% against (-) 6.1% and (-) 4%, respectively.
Steel production recorded a marginal growth of 4.8%, while the expansion in cement production slowed to 2.3%. Natural gas registered a negative growth of 4.4% and refinery products generation expanded 3.2%.
Showing a ray of hope, industrial output entered positive territory and recorded a 0.1% growth in January after contracting for three months in a row.