According to the ancient granthas of India, we human beings are whole in ourselves. But the problem is we don’t feel it. Why we don’t feel our fullness? Why are we constantly desire something? Craving for something? Spiritual Science gives the answer to why we don’t feel the wholeness in ourselves. It gives a step by step process to know our Wholeness. This paper first elaborately defines the shlok “Om Purnamadah….” Then it introduces us to the four paths of liberation i.e. Gyan Yoga, Karma Yoga, Bhakti Yoga & Raj Yoga. Further it takes us to Bhakti & Bhakti Yoga, which the author recommends strongly for attaining the Moksha / liberation. Author is very pleased to acclaim the Parinaam of Bhakti, as told by Maharshi Narad in his “नारद भक्तिसूत्र”. In addition to this the paper also explains the four types of Bhakti - Atma-Bhakti, Ishvara-Bhakti, Ishta-Devata Bhakti and the fourth one is Guru-Bhakti. Apart from the definition, the Parinaam and the Types of Bhakti the paper consciously elaborates the virtues of the True Bhakta or Sad-Bhakta. The author is very happy to praise this Sad-Bhakta which according to her is very rare to find in this Kaliyug. At the end comes “Purity of Mind” without which the Bhakti cannot take place in the Bhakta. In fact for being a Bhakta we must purify our mind first. The mind must be pure to worship. Clean mind only can hold the divinity within.