It says that Maharaja Panangkaran, who despite his grand title was acting under a high authority, described as the "ornament of the Sailendra family" founded a sanctuary dedicated to the bodhisattva Tara in the villed of Kalasa at the behest of his religious teachers.J.G. de Casparisgued that Panangkaran was not a Sailendra but a vassal of the Sailendra Vishnu Dharmatungga