The eight core industries' output grew 2.9 per cent in January this year.
This was much higher than the 2.3 per cent growth recorded in the same month last year.
For the April-January 2016 period, eight core industries — which have 38 per cent weightage in IIP — grew 2 per cent, official data released on Monday showed.
This was lower than 5.3 per cent growth recorded in the same period in the last fiscal.