Shodasopachara — 16-Step Vishnu Puja
षोडशोपचारपूजा
The standard 16-step worship procedure (Shodasopachara) for Vishnu as codified in Pancharatra texts: Avahana (invocation), Asana (seat), Padya (feet-washing), Arghya (welcome offering), Achamana (sipping water), Snana (bath), Vastra (clothing), Yajnopavita (sacred thread), Gandha (sandalwood), Pushpa (flowers), Dhupa (incense), Dipa (lamp), Naivedya (food), Tambula (betel), Pradakshina (circumambulation), Namaskara (prostration).