IRB Infrastructure Developers Limited engages in the infrastructure development business in India. It operates through Built, Operate and Transfer/Toll Operate and Transfer; InvITs & Related Assets; and Construction segments. The company develops, operates, and maintains road. It also provides invests in units of IRB Infrastructure Trust, IRB InvIT Fund and other related assets. In addition, the company is involved in road Infrastructure, real estate, hospitality, and airport development, as well as operates as an investment manager. The company was incorporated in 1998 and is based in Mumbai, India.