AJR Infra and Tolling Limited operates as an infrastructure project development company in India. It develops public-private partnership projects, including roads and expressways, ports, hydro power, urban infrastructure, airports, special economic zones, water and wastewater management, railways, power transmission lines, and agricultural infrastructure. The company also provides project development and advisory services; and operation and maintenance services for the transportation sector. In addition, it engages in the real estate development business. The company was formerly known as Gammon Infrastructure Projects Limited and changed its name to AJR Infra and Tolling Limited in August 2021. AJR Infra and Tolling Limited was incorporated in 2001 and is based in Mumbai, India.