This monograph deals with the variant metaphysical aspects of Sikh Religion. Metaphysics is a science of the Real and it undertakes a search for Truth or Reality. This monograph begins with the Oneness of Ultimate, Reality with its Attributive Aspect and proceeds to its experience through faith and expression through symbolism. The most significant metaphysical issues viz., human existence, problem of evil, immortality of soul and man’s voyage from transmigration to emancipation are vividly explained. The Sikh metaphysics is not an abstract unity but it integrates the spiritual and temporal aspects. The spiritual unity and social vision of the Gurus is explicit throughout the Holy Scripture and its culmination is evident in the based on the ontological principal of One God. Monotheism / 11 Monotheism Versus Monism / 31 Universal Religion / 41 Faith and its Implications / 52 Spiritual Transformation / 61 Religious Symbolism / 66 Human Existence / 78 Problem of Evil / 88 Immortality of Soul / 100 Transmigration to Emancipation / 114 Haumai: A Metaphysical Problem / 120 Mind and God Realisation / 131 Mental Tension: A Metaphysical Analysis / 139 Action and Freedom / 147 Alienation and Freedom / 154 Divine Will and Human Freedom / 161 Spiritual Unity and Social Vision / 165 Asceticism versus Social Life / 171 Creation of Khalsa: A Philosophical Perspective / 185