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We consider the sequential decays through $\\Sigma_c(2455)\\pi$ and $\\Sigma_c^*(2520)\\pi$ in intermediate states which are dominant contributions. The coupling constants in the effective Lagrangians are computed in the quark model. We demonstrate that the ratio $R= \\Gamma(\\Lambda_c^*\\to\\Sigma_c^*(2520)\\pi)/\\Gamma(\\Lambda_c^*\\to \\Sigma_c(2455)\\pi)$ and angular correlations are sensitive to the spin and parity of $\\Lambda_c^{*}(2765)$. 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