Sri Ramakrishna offered all these powers to Swami Vivekananda. He said they will help you in your work after you have realized God. And Narindranath's answer there was the exact answer which Swami Krishna was looking for. They were ample evidence of them here when he was here in the United States. Jai Shri says, what is the difference? Significance of meditating during Brahmamaltha.