Samadhi is the last step of Yoga Sutra written by Patanjali and involves the process of contemplative absorption. It is a state of Voidness that is untroubled by desire, anger, and ego. You will feel a calmness and acuity and also will have more control over emotions.

In Hinduism, Samadhi is a climax of all spiritual and intellectual energy. You will reach a stage of no thoughts or Shunya Tattva and in Hindu philosophy; it is like you achieve the highest reality. You release yourself from the cycle of death and rebirth. All individuals who do Samadhi have different experiences and also have a different way of attaining this.