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It is shown that the geometric constraint advocated in [R. S. Kaushal, Mod.Phys. Lett. A 15 (2000) 1391] is trivially satisfied. Therefore, such aconstraint does not exist. We also point out another flaw in Kaushal's paper.Comment: to appear in Mod. Phys. Lett.

COMMENT ON THE POSSIBILITY OF A GEOMETRIC CONSTRAINT IN THE SCHRÖDINGER QUANTUM MECHANICS