Ramayana
सुगुप्तामनरण्येन शक्रेणेवामरावतीम् । स तं पुरुषशार्दूलं पुरन्दरसमं बले ॥ 7-19-7 ॥
—that city well guarded by Anaranya, like Amaravati guarded by Indra; and that tiger among men, who in strength was the equal of Purandara (Indra),—
english translation