Discourse by Rev. Dr. Swami Bhajanananda Saraswati on pranāma (salutation mantras), aparadha-sodhana (begging forgiveness for mistakes), ārati (waving of lights) and homa (fire ceremony), given at Kali Mandir Ramakrishna Ashram on  27 April 2019. This is part of a series on the theory and practice of Kali Puja, the ritual worship of the Divine Mother Kali.