The Immortal Science is a tale of a Shiva and Adi-Sakti, who emerged from Singularity as a pre-destined meet to love and to create the universe. The book is based on the chronology of the universe according to Vedic Science in which mass, energy, space and time are the result of Anahad Naada, which is called ‘Big Bang’ by modern science. Vedic science narrates the cause of Big Bang and also the stage before the Big Bang, i.e. Anahad Naada, phase of inflation in the form of Maha-Vishnu, and the beginning of time as a Brahma. The summon of Rudra and the onset of war between matter and antimatter, the grand unification theory (Ishaan Shiva) and splitting of four fundamental forces in the form of four Rudras are discussed in this book. The story starts with the appearance of “Pashupat,” the radiant effulgence in the form of cosmic microwave background (CMB).