IRB Infrastructure Developers Limited engages in the construction, development, operation, and maintenance of roads and highways on build-operate-transfer (BOT) basis in India. It operates through two segments, BOT/ Toll Operate and Transfer, and Construction. The company is involved in real estate development; generation and sale of electricity through windmill; and hospitality and airport infrastructure activities. It has 22 projects with 12,000 lane kilometers of roads and highways. IRB Infrastructure Developers Limited was incorporated in 1998 and is based in Mumbai, India.