6/12, Central Park, Jadavpur, Calcutta.-700 032 In order to comprehend what is ''Science Based on Symmetry" it is essential to get acquainted with the mechanism of development of the equilibrium configuration of symmetry as an assembly of five identical regular tetrahedrons and its projected configuration in a plane as a square consisting of 25 identical square units. Deductions from the different in built properties of this configuration can be applied to explain any aspect of the universal phenomenal nature. The talk covers the following important topics: The concepts of nine digits, the numerical continuum having critical states at 1, 10, 100, 1000, etc. and that of one and zero, have their origin in this configuration. In the phenomen...