Abstract
Recently, the so-called Hubble Tension, i.e. the mismatch between the local and the cosmological measurements of the Hubble parameter, has been resolved when non-particle dark matter is considered which has a negative equation of state parameter (omega approx -,0.01). We investigate if such a candidate can successfully describe the galactic flat rotation curves. It is found that the flat rotation curve feature puts a stringent constraint on the dark matter equation of state parameter omega and omega approx -,0.01 is not consistent with flat rotational curves, observed around the galaxies. However, a dynamic omega of non-particle dark matter may overcome the Hubble tension without affecting the flat rotation curve feature.
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