Siva Kameswari Vissa

Part of GMR Group, GMR Goa International Airport Ltd. constructs airports. The private company is based in Porvorimnorth, India.

Delhi Duty Free Services Pvt Ltd. operates duty free outlets that sell a variety of products including perfumes, cosmetics, confectionery, liquor, tobacco, and fashion products. The joint venture company is based in New Delhi, India.

Part of Larsen & Toubro Ltd., L&T Valves Ltd is a leading manufacturer of API 6D trunnion-mounted ball valves, double block & bleed plug valves, and sleeved plug valves for the oil & gas and power industries. The private company's valves range in size from 2" to 56" and comply with ASME Class 150 to 2500 standards. The company is based in Chennai, India and has manufacturing facilities and logistics hubs in Al-Jubail and the USA. Founded in 1961, L&T Valves is dedicated to providing flow-control solutions for various process industries, including refineries, petrochemicals, water, aerospace, and defense. L&T Valves is ISO 9001\:2015 certified and has a network of distributors worldwide.

GMR Energy Ltd. operates as a holding company. It engages in the generation and sale of power and mining and exploration activities. The company was founded on October 10, 1996 and is headquartered in Mumbai, India.

Delhi International Airport Ltd. designs, builds, operates and maintains the airport. Its facilities include terminals for airlines for passenger and cargo aircraft operations, business lounges, recreation facilities, baggage services inside the airport, eating places, retail shops and duty-free retail stores. The company was incorporated on March 01, 2006 and is headquartered in New Delhi, India.