Country's industrial output in March rose a faster-than-expected 7.3% from a year earlier, government data showed on Thursday.
The median forecast in a Reuters poll was for an annual rise of 3.8%.
February's industrial output growth was marginally revised up to 3.65% from 3.6%.
Manufacturing output, which constitutes about 80% of the industrial production, rose an annual 7.9%, the federal statistics office said in a statement.
Industrial output grew 7.8% in the 2010/11 fiscal year that ended in March, slower than 10.5% clocked in the previous fiscal year.