For December, economists polled by Reuters had estimated growth of 2.4%. In November, too, it rose 2.4%.

Manufacturing output in December rose 3.9% year-on-year, against 3.6% in the same month in the previous year.

Electricity generation in December was up 1.2%, slower than 10.4% growth in the corresponding month a year earlier. Mining activities increased by 5.1%, compared to a 10.1% rise in the same month a year earlier, the data showed.

Industrial output in the first nine months of the fiscal year that started in April was up 6.1% from the same period a year earlier.

(Reporting by Sarita Chaganti Singh; Editing by Bernadette Baum)