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We strongly believe that, the success of any unified model depends on its ability to involve gravity in microscopic models. To understand the mystery of final unification, in our earlier publications, we proposed two bold concepts:1) There exist three atomic gravitational constants associated with electroweak, strong and electromagnetic interactions. 2) There exists a strong elementary charge in such a way that its squared ratio with normal elementary charge is close to reciprocal of the strong coupling constant. In this review article we propose that, can be considered as a compound physical constant associated with electroweak gravity. With these new ideas, an attempt is made to understand and fit nuclear stability, binding energy and quark masses. We wish to emphasize that, nuclear binding energy can be fitted with four simple terms having one unique energy coefficient, With reference to proton-electron mass ratio, Newtonian gravitational constant can be estimated in a verifiable approach. Recently observed 3.5 keV photon seems to be an outcome of annihilation of a new charged small or tiny lepton of rest energy 1.75 keV. By questioning and understanding the integral nature of electron’s angular momentum, existence of the three atomic gravitational constants can be understood. By studying the stellar magnetic dipole moments with reference to weak and strong interactions, there is a possibility of confirming the existence of atomic gravitational constants.
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