Adwaita (meaning "one and only" in Sanskrit) (c. 1750 – 22 March 2006), also spelled Addwaita, was a male Aldabra giant tortoise that lived in the Alipore Zoological Gardens of Kolkata, India. At the time of his death in 2006, Adwaita was believed to be amongst the longest-living animals in the world.The animal was one of four tortoises that lived at Robert Clive's estate at Barrackpore,Adwaita was transferred to the Alipore Zoo in Calcutta in 1875 or 1876 by Carl Louis Schwendler, the founder of the zoo.[4] Adwaita lived in his enclosure in the zoo until his death on 22 March 2006 at an estimated age of 255.