Vamana Avathar is the 5th Avathar (incarnation) among the Dasavathar taken by Sriman Narayanan. Perumal (dwarf) started to grew very tall touching the sky and measured the earth by one step and the sky by the second and asked for the third as no third land was left to be given. Seeing this great Avathar of Sri Vishnu, Brahma devan washed His Thiruvadi (Feet).