Well, light and time creates a lot of problem, so I'd like to remove these two from C=G.T equation.
C=λ.f → f=C/λ,
T=1/f → C=G/f,
→ C=G.λ/C → C^2=G.λ,
E=m.C^2 → E=m.G.λ (unit is kg * m/s^2 * m = kg.m^2/s^2)
I have calculated both (E1) E=mc^2 and (E2) E=m.G.λ.
E1 is bigger than E2 so the...