J. Ratanji Dadabhoy Tata

Tata Projects Ltd. provides engineering, procurement, and construction services. It operates through the following strategic business units: industrial infrastructure, urban infrastructure, quality services, and utility service. It provides turnkey end to end solutions to set up power generation plants, power transmission and distribution systems, fully integrated rail and metro systems, commercial buildings and airports, chemical process plants, water and waste water management solutions, and mining and metal purification systems. The company was founded in 1979 and is headquartered in Secunderabad, India.

Indian Airlines Ltd. provides air transportation services. The firm operates A300 aircraft on the domestic network, fly-by-wire A320, domestic shuttle and walk-in flights. The company was founded in 1953 and is located in New Delhi, India.

Air India Ltd. engages in the provision of domestic and international air transportation services. It offers passenger and cargo services, ground handling, engineering, and hotel services. The company was founded by Jehangir Ratanji Dadabhoy Tata on October 15, 1932 and is headquartered in New Delhi, India.

Tata Sons Pvt Ltd. is an investment holding company, which engages in the provision of management services. It involves in the areas of information technology, steel, automotive, infrastructure, telecom and media, tourism and travel, aerospace, and defense. The company was founded by Jamsetji Tata in 1868 and is headquartered in Mumbai, India.