IRB Infrastructure has posted a 5.13 per cent decline in net profit at Rs 134.56 crore for the first quarter ended June 30, 2013 against Rs 141.84 crore in the corresponding period previous fiscal.

Total income for the period under review increased 4.9 per cent to Rs 1,061.92 crore from Rs 1,012.25 crore in Q1 of FY’13.

“Due to strong construction activities, construction revenue in the first quarter has increased,” the company said in a statement.

IRB’s order book now stands at around Rs 7,700 crore, out of which Rs 5,700-crore worth of order book is to be executed in the next two to three years, the release said.

“This order book gives IRB good visibility for the next three years,” the company said.

IRB has a portfolio of 18 BOT projects, out of which 14 projects are under operation.