The company Delhi Duty Free Services Pvt Ltd is India’s largest duty free retail space at T3, IGI Airport, the 6th largest single terminal building in terms of floor area in the world. Delhi Duty Free Services Pvt. Ltd. (DDFS) is a joint venture company between DIAL (Delhi International Airport Limited), Yalorvin Limited is a subsidiary of Aer Rianta International cpt. (ARI) and GMR Airports Limited. .