Natyashastra is a comprehensive work on the art of Dance, Drama and Music by Bharata Muni. Every dance form of India and most of the dance forms of south east Asia The initial slokas talk about Bhoomi pranam, Natyarambham and even the way to greet Gods, Gurus and Audience/ Elders are mentioned. In Bharatnatyam, these are followed with absolute respect and to the last word. Namaskaram : Every dance form in India starts with Bhoomi pranam. This is a way to show respect to the Bhoo Devi (Mother Earth) and seeking her permission before striking feet on her. The Natyashastra slokam related to this is as follows Samudravasanae Devii | Parvathasthana Mandalae | Vishnu Patni Namastubhyam | Padaaghathan Krishamaswamae | | Meaning : The dance should seek forgiveness (Krishamaswamae) from the Bhoomi devi who or mother Earth for stamping feet on her (Padaaghathan) who is adorned by the oceans (Samudra)