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In 1018, Rajendra (the Parakesari) appointed his son Rajadhiraja (the Rajakesari) as heir apparent to the Chola throne. Rajendra was declared heir apparent and formally associated with his father in the administration of the Chola Empire in the final years of his rule (1012-1014). The nakshatra of Rajendra's birth was Tiruvatirai (Ardra). Other major members of the royal household included queen mothers Dantisakti Vitanki alias Lokamahadevi and Kundavai, the elder sister of Rajaraja. Rajendra I was the only son of Rajaraja I and queen Vanavan Mahadevi alias Tribhuvana Mahadevi (he must have had at least three sisters, the younger Kundavai, the queen of Chalukya-Vimaladitya, a daughter called Mahadevi). The Chola naval campaigns in the Arabian Sea and the Strait of Malacca were essential to the control over the Indian Ocean spice trade (from the Southeast Asia or southern China to the Arabia or eastern Africa). The Cholas were by far the most important dynasty of South Asia at the time of Rajendra, although their activities mainly affected the South India and Southeast Asia. Rajendra was succeeded by Rajadhiraja I (1018 - 1054). A number of strategic places along the Straits of Malacca came under Chola control as a result of this campaign. Rajendra's ambitious campaign against the Srivijaya (the southern Malay peninsula and Sumatra) is dated to c. He carried out a successful military expedition to the River Ganges through Orissa and Bengal and brought Ganges water to his new capital down in the Kaveri Delta, Gangaikondacholapuram. The extensive Chola empire under Rajendra included most parts of present-day south India, with the river Krishna as the northern limit, Sri Lanka and the Laccadives and the Maldives. Rajendra succeeded his father Rajaraja I in 1014 AD. Rajendra Chola I, often described as Rajendra the Great, was a Tamil ruler of the Chola Empire in south India between 1014 - 1044 AD. Vanavan Mahadevi alias Tribhuvana Mahadevi Brahmadesam, Tiruvannamalai District, Tamil Nadu
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