Shankara Jarya is a great supporter of monasticism. He says in order to focus and be still, you must withdraw from the world. So these are a karki, in solitude, cut off from everybody else.
Swami Sarvapriyananda teaches Chapter 6 (Verses 10-14) of the Bhagavad Gita. In this series of talks, Swami Sarvapriyananda unfolds the highest truths of Vedanta through the study of the Bhagavad Gita (The Song of God).