Mumbai, July 30 - Power utility and infrastructure major Reliance Infrastructure, part of the Anil Dhirubhai Ambani Group, Thursday posted 25 percent increase in net profit to Rs.317 crore ($66 million) for the quarter ended June 30.

The company's total income increased 7 percent to Rs.2,446.3 crore in the first quarter of the current fiscal, compared to Rs.2,290.29 crore in the same quarter a year ago.

While the electrical energy division contributed Rs.1,880.49 crore to the total income, the engineering and construction segment accounted for Rs.565.84 crore.

Reliance Infrastructure, which has interests in areas spanning power generation, distribution, cement, ports and airports as well as roads and highways, has an order book position of Rs.