Nirvikalpa Samadhi is described as beyond language and beyond words, beyond thought. Even the greatest of sorrows cannot affect you because simply you are not aware of those sorrows also. So that's one level of interpretation. Now we're going to take a deeper level of interpretation: I am existence consciousness bliss. This becomes very clear to me. There is no joy which can come compared to this.
Swami Sarvapriyananda teaches Chapter 6 (Verses 22-23) 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).