New Delhi: India’s production in six key industries, which account for a quarter of the nation’s industrial production, rose 5.1% in September from a year earlier, the government said.

Growth trajectory: Minister of commerce and industry Kamal Nath. The index for the six key industries rose to 237.9 in September. Harikrishna Katragadda / Mint

Production in the six months ended 30 September rose 3.9%, compared with a 6.9% gain a year earlier.

The infrastructure industries have a weight of 26.7% in the overall index of industrial production (IIP).

The IIP figures for September will be released in the next few days.

Growth in core industries dipped in August, tracking the overall IIP, which dipped to 1.3%.

Although crude oil production declined by 0.4%, the performance is slightly better than the same month last year.

Refinery products, too, showed a downward trend of 2.8% from 6.9% in September 2007. Finished carbon steel also registered a lower growth of 5.8% compared with 9.5%.

However, coal output grew at 10.7% in September from 6.3% while cement production rose to 7.9% from 5.4%.

Electricity generation rose to merely 4.4% in the period, against 4.3% in September 2007.

(PTI contributed to this story.)