The firm had clocked a net profit after tax and share in profit of joint ventures or associates of Rs 1,532 crore in the year-ago period.
Total consolidated income of the company rose to Rs 26,848 crore in July-September quarter this fiscal from Rs 25,474 crore during the same quarter in 2016-17, the company said in a statement.
Total expenses rose to Rs 24,310 crore from Rs 23,507 crore.
On the outlook, L&T said the government's determined efforts to revive the investment sentiment while undertaking impactful economic reforms have expectedly caused transition challenges.
The company expects that the various reforms and economic measures over the past year would take some more time to stoke growth, it added.