Kalasam is a Thaanthrik ritual ("Thaanthrika Kriyaas") aiming at increasing the glory and power of the deities and sometimes for atonement for any fading of such power. The latter includes "Dravya Kalasam", "Ashtabandha Kalasam", and "Naveekarana Kalasam". Hinduism: A Holy Water Religion Libation of Water - A Real Property Symbol