Jayasimha I (reigned 641–673) succeeded Kubja Vishnuvardhana as the king of Eastern Chalukyas. He had a long reign of 32 years however, nothing important is known to have happened in his reign.
His younger brother Indra Bhattaraka succeeded him.
References Durga Prasad, History of the Andhras up to 1565 A. D., P. G. Publishers, Guntur (1988) South Indian Inscriptions – http://www.whatisindia.com/inscriptions/ Nilakanta Sastri, K.A. (1955). A History of South India, OUP, New Delhi (Reprinted 2002).