O2 Oxygen Hotel is located in Kolkata, India. The O2 Oxygen serves as an exclusive setting for your business or pleasure visit to the City of Joy combining unparalleled service and state-of-the-art techlogy. Especially designed for the corporate traveler, the O2 Oxygen has 21 rooms which are classified as Deluxe, Super Deluxe and Suites, offering all facilities that is required to make your experience a delightful one, whether its business or pleasure.