Discourse by Rev. Swami Bhajanananda Saraswati on guru-pranām (saluting the lineage of gurus); kara-śuddhi (purification of the hands); and pushpa-śuddhi (purification of the flowers), given at Kali Mandir Ramakrishna Ashram on 19 May 2018. This is part of a series of class-talks on the theory and practice of Kali Puja, the ritualistic worship of the Divine Mother Kali.