The company had clocked a net profit of Rs 5.42 crore in the year-ago period.
Income from operations declined to Rs 21.48 crore during July-September quarter of current financial year from Rs 23.79 crore in the year-ago period.
Reliance Industrial Infrastructure Ltd (RIIL) is mainly engaged in the business of setting up and operating industrial infrastructure.
Its main activities are providing services for transportation of petroleum products and raw water through its pipelines and other infrastructure support services.
Shares of the company today closed at Rs 338.70 apiece on BSE.