  Three-body decay of charmed baryons $\Lambda^*_c(2595)$ and
$\Lambda^*_c(2625)$ into $\Lambda_c \pi \pi$ are studied with effective
Lagrangians in which the coupling constants are extracted from the
non-relativistic quark model. We take into account sequential processes going
through $\Sigma_c (2455)$ and $\Sigma^*_c (2520)$ in intermediate states. The
total decay widths are sensitive to the coupling of $\Lambda^*_c$ with
$\Sigma_c \pi$ open channel and to $\Sigma^*_c \pi$ closed channel. We find
that $\Lambda_c^*(2595)$ and $\Lambda_c^*(2625)$ with $\lambda$ mode assignment
can explain nicely the experimental data. We also show invariant mass
distributions of $\Lambda_c^*(2595)$ and $\Lambda_c^*(2625)$ decays which are
significantly different for various quark configurations.
