diff --git a/src/controllers/installationController.js b/src/controllers/installationController.js
index 7a6f91da..b767a4cf 100644
--- a/src/controllers/installationController.js
+++ b/src/controllers/installationController.js
@@ -3095,6 +3095,49 @@ exports.getWaitingMasterSlaveSummary = async (req, reply) => {
   }
 };
 
+exports.getMasterWithSlaves = async (req, reply) => {
+  try {
+    const { installationId, customerId, hardwareId } = req.params;
+
+    if (!installationId || !customerId || !hardwareId) {
+      return reply.code(400).send({ success: false, message: "installationId, customerId, and hardwareId are required" });
+    }
+
+    // Find order
+    const order = await Order.findOne({ installationId, customerId }).lean();
+    if (!order) {
+      return reply.code(404).send({ success: false, message: "Order not found" });
+    }
+
+    // Find master device in Insensors
+    const master = await Insensors.findOne({
+      hardwareId,
+      customerId,
+    }).lean();
+
+    if (!master) {
+      return reply.code(404).send({ success: false, message: "Master device not found in Insensors" });
+    }
+
+    // // Find slaves connected to this master
+    // const slaves = await Insensors.find({
+    //   connected_to: hardwareId,
+    //   customerId,
+    //   type: 'slave'
+    // }).lean();
+
+    return reply.send({
+      success: true,
+      master,
+    });
+
+  } catch (error) {
+    console.error("Error fetching master and slaves:", error);
+    return reply.code(500).send({ success: false, message: "Internal server error" });
+  }
+};
+
+
 exports.getPendingMasterSlaveSummary = async (req, reply) => {
   try {
     const { customerId } = req.params;
diff --git a/src/routes/installationRoute.js b/src/routes/installationRoute.js
index 817a021c..49dc284c 100644
--- a/src/routes/installationRoute.js
+++ b/src/routes/installationRoute.js
@@ -593,6 +593,81 @@ fastify.post(
         handler: installationController.getMasterSlaveSummary,
       });
 
+      fastify.get('/api/master-with-slaves/:installationId/:customerId/:hardwareId', {
+  schema: {
+    tags: ['Installation'],
+    summary: 'Get Individual master device and its connected slaves',
+    description: 'Fetch a master device from Insensors by hardwareId and list all connected slave devices for the same customer and installation.',
+    params: {
+      type: 'object',
+      required: ['installationId', 'customerId', 'hardwareId'],
+      properties: {
+        installationId: { type: 'string', description: 'Installation ID from Order' },
+        customerId: { type: 'string', description: 'Customer ID' },
+        hardwareId: { type: 'string', description: 'Master hardwareId' },
+      }
+    },
+    // response: {
+    //   200: {
+    //     type: 'object',
+    //     properties: {
+    //       success: { type: 'boolean' },
+    //       master: {
+    //         type: 'object',
+    //         description: 'Master device details',
+    //         properties: {
+    //           _id: { type: 'string' },
+    //           hardwareId: { type: 'string' },
+    //           customerId: { type: 'string' },
+    //           type: { type: 'string' },
+    //           // Add other master fields as needed...
+    //         }
+    //       },
+    //       slaves: {
+    //         type: 'array',
+    //         description: 'List of connected slave devices',
+    //         items: {
+    //           type: 'object',
+    //           properties: {
+    //             _id: { type: 'string' },
+    //             hardwareId: { type: 'string' },
+    //             connected_to: { type: 'string' },
+    //             customerId: { type: 'string' },
+    //             type: { type: 'string' },
+    //             // Add other slave fields as needed...
+    //           }
+    //         }
+    //       }
+    //     }
+    //   },
+    //   400: {
+    //     type: 'object',
+    //     properties: {
+    //       success: { type: 'boolean' },
+    //       message: { type: 'string' }
+    //     }
+    //   },
+    //   404: {
+    //     type: 'object',
+    //     properties: {
+    //       success: { type: 'boolean' },
+    //       message: { type: 'string' }
+    //     }
+    //   },
+    //   500: {
+    //     type: 'object',
+    //     properties: {
+    //       success: { type: 'boolean' },
+    //       message: { type: 'string' }
+    //     }
+    //   }
+    // }
+  },
+          handler: installationController.getMasterWithSlaves,
+
+});
+
+
       fastify.get("/api/getwaitingmasterlistwithslaves/:customerId", {
         schema: {
           description: "Get waiting manager masrter connected slave data with full info",