  We consider the fluctuation conductivity in the critical region of a disorder
induced quantum phase transition in layered d-wave superconductors. We
specifically address the fluctuation contribution to the system's conductivity
in the limit of large (quasi-two-dimensional system) and small
(quasi-three-dimensional system) separation between adjacent layers of the
system. Both in-plane and c-axis conductivities were discussed near the point
of insulator-superconductor phase transition. The value of the dynamical
critical exponent, $z=2$, permits a perturbative treatment of this quantum
phase transition under the renormalization group approach. We discuss our
results for the system conductivities in the critical region as function of
temperature and disorder.
