  Masses of hadrons (baryons as well as mesons) are modified in the nuclear
medium because of their interactions. In this paper we investigate the effect
of in-medium meson masses on the properties of the nuclear matter. The
calculations are performed in the Walecka model. We find that with the
inclusion of meson mass modification, the computed equation of state becomes
softer. We also find that the decrease in the nucleon as well as meson masses
in the medium is smaller than that obtained in the case when the in-medium
meson masses are not taken into account.
