Mahabharat presents the story of the throne of Hastinapur, the kingdom ruled by the Kuru clan where Kauravas and the Pandavas brothers compete for rulership. Both Duryodhan and Yudhisthir claim to be first in line to inherit the throne. Duryodhan, the eldest kaurav is younger than Yudhisthir, the eldest pandav. Kunti obtained a boon from sage Durvasa, where she could invoke any deity and could bear his child. Out of curiosity, she decided to test the boon and uttered the mantra calling upon the Sun god and was handed a baby, Karna. Kunti, an unwed mother, set Karna afloat on the river Ganga with a heavy heart, in order to avoid the embarrassment of having a child before marriage. After her marriage to Pandu, Kunti invoked other deities and had her sons, Yudhishtir, Bheem, Arjun, Nakul and Sahadev (from Madri). Neither Karna, nor the Pandavas knew the true identity of Karna until the end of the Kurukshetra War. Karna fought against misfortune throughout his life, and was often ill-treated as he was the son of a charioteer. (Adiratha, a charioteer and his wife Radha found Karna on the banks of river Ganga and raised him as their own.) Duryodhan, the mortal enemy of the Pandavas was the only person who supported Karna, even when the Pandava brothers insulted him for being a skilled archer while belonging to a lower caste. Thus Karna made a vow to protect Duryodhan throughout his lifetime and fought on his behalf against the Pandavas in the Kurukshetra War. When Bhishma asked for Gandhari's hand in marriage for his blind nephew Dhritarashtra, her brother Shakuni got furious. But he later agreed when Bhishma persuaded them that Dhritrashtra would be the future king of Hastinapur. During the Coronation Ceremony; Dhritrashtra's younger brother Pandu was made the king with the high interfluence of Vidura(Dhritrashtra's another younger brother). Shakuni felt that he was cheated and so he swore to himself that he would destroy the Kuru race. He sowed the seeds of the climactic battle during the adolescence of the Kauravas (Sons of Dhritarashtra) and the Pandavas (Sons of Pandu) by poisoning the mind of Duryodhan; the eldest Kaurav against the Pandavas. This results in the Kurukshetra War where Shri Krishna imparts Bhagwad Gita to his Pandav cousin Arjuna. The battle saw the deaths of Bhishma, Karna among many. All the sons of Dhritarashtra died in the war, except Yuyutsu, his son through a vaishya woman - Sugdha.