'the unblemished first lord') is a work of Tamil Hindu literature written by Tiruppan Alvar,[1][2] comprising ten hymns called pasurams.

[4]According to Sri Vaishnava tradition, Tiruppan Alvar was once singing the praises of Vishnu along the ghats of the river Kaveri, in front of the Ranganathaswamy temple in Srirangam.

Finding the unconscious and presumably a man of a lower varna blocking his path, Lokasaranga called out to him thrice or four times, but the former did not stir.

[6] Tiruppan Alvar was later shown the murti of Ranganatha in the temple sanctum, and the sight filled him with such awe that he composed and sang the ten hymns of the Amalanatipiran.

O, his auspicious lotus feet have come to stay in my eyes!The second hymn references the deity's avataras (incarnations) of Vamana and Rama:[9] With glee in his heart, he measured the Earth, his crown touched the roof of the Universe.