Sadhana means spiritual practice, persistence, perseverance. It requires VIVEKA, or a sense of discrimination. Please use the other links to the left, as appropriate.

If you are inclined towards Raja Yoga, or Yoga as originally propounded by Patanjali via his Yoga SUTRAs, please refer to the section titled Samadhi, which is the culmination of not only Raja Yoga, but also the other yogas: Jnana, Bhakti (Devotion), and Karma (Action).