Yathra Uparamati, mind with draws becomes absolutely serene. He mentions this in the next one, two, three, four verses. In Vedantic meditation, it will be the self, the pure consciousness which shines forth and that is it. It is a very rarefied state of the mind and it leads to great joy. Once there is flow, meditation, there is great joy.
Swami Sarvapriyananda teaches Chapter 6 (Verses 20-21) 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).