<p>Sedimentation at the mouth of a spill channel leads to several challenges, like reduced channel conveyance efficiency and increased dredging costs etc. Submerged vanes provide an effective technique for desilting the mouth of a spill channel, as they efficiently generate secondary currents that induce flow alternations within this section. The aim of the study is to desilt the mouth of a spill channel of the Padma River and to ensure continuous flow through it throughout the year to revive the Jangipur Lock in West Bengal. The study also compares the efficiency of two vane arrangement configurations, i.e., (i) installing a vane array at the mouth of the spill channel and (ii) installing vane arrays along both banks within the spill channel, for activating the spill channel under various discharge conditions. Over the years, morphological changes indicate that silting has occurred at the mouth of the spill channel, blocking the flow from the Padma River into the spill channel during the dry season. A distorted physical model was conducted under different discharges without and with bevel vanes. With the installation of vanes, flow in the spill channel was observed even at lower discharges, whereas no flow entered the spill channel under these discharges in the existing condition. The results indicate that installing submerged vanes at the mouth of the spill channel effectively desilts the sediment deposition there, thereby facilitating more flow through the spill channel even under lean flow conditions.</p>