diff --git a/src/controllers/installationController.js b/src/controllers/installationController.js
index 14bf4a1d..5a55656d 100644
--- a/src/controllers/installationController.js
+++ b/src/controllers/installationController.js
@@ -838,3 +838,252 @@ exports.mastrerList = async (req, reply) => {
     return reply.status(500).send({ success: false, message: "Internal Server Error" });
   }
 };
+
+
+
+//const Insensor = mongoose.model('insensors', insensorsSchema); // if not already defined
+
+// exports.getMasterSlaveSummary = async (req, reply) => {
+//   const { customerId } = req.params;
+
+//   try {
+//     const masters = await Insensors.aggregate([
+//       {
+//         $match: {
+//           customerId,
+//           type: "master"
+//         }
+//       },
+//       {
+//         $lookup: {
+//           from: 'Insensors', // collection name should match MongoDB collection
+//           let: { masterId: '$hardwareId' },
+//           pipeline: [
+//             {
+//               $match: {
+//                 $expr: {
+//                   $and: [
+//                     { $eq: ['$type', 'slave'] },
+//                     { $eq: ['$customerId', customerId] },
+//                     { $eq: ['$connected_to', '$$masterId'] }
+//                   ]
+//                 }
+//               }
+//             },
+//             {
+//               $project: {
+//                 _id: 1,
+//                 hardwareId: 1,
+//                 tankName: 1,
+//                 tankLocation: 1,
+//                 model: 1,
+//                 status: 1,
+//                 indate: 1
+//               }
+//             }
+//           ],
+//           as: 'connected_slaves'
+//         }
+//       },
+//       {
+//         $addFields: {
+//           connected_slave_count: { $size: '$connected_slaves' }
+//         }
+//       },
+//       {
+//         $project: {
+//           _id: 1,
+//           hardwareId: 1,
+//           tankName: 1,
+//           tankLocation: 1,
+//           model: 1,
+//           status: 1,
+//           indate: 1,
+//           connected_slave_count: 1,
+//           connected_slaves: 1
+//         }
+//       }
+//     ]);
+
+//     const totalMasters = await Insensors.countDocuments({ customerId, type: 'master' });
+//     const totalSlaves = await Insensors.countDocuments({ customerId, type: 'slave' });
+
+//     reply.code(200).send({
+//       totalMasters,
+//       totalSlaves,
+//       masters
+//     });
+//   } catch (err) {
+//     console.error(err);
+//     reply.code(500).send({ error: 'Server error', details: err.message });
+//   }
+// }
+
+exports.getMasterSlaveSummary = async (req, reply) => {
+  try {
+    const { customerId } = req.params;
+
+    if (!customerId) {
+      return reply.status(400).send({ message: "Missing customerId" });
+    }
+
+    // Get all devices for customer
+    const allDevices = await Insensors.find({ customerId }).lean();
+
+    // Separate masters and slaves
+    const masters = allDevices.filter(device => device.type === 'master');
+    const slaves = allDevices.filter(device => device.type === 'slave');
+
+    // Map masters to their connected slaves based on `connected_to` match
+    const enrichedMasters = masters.map(master => {
+      const masterConnectionId = master.connected_to;
+
+      const connectedSlaves = slaves.filter(slave => 
+        slave.connected_to === masterConnectionId
+      );
+
+      return {
+        ...master,
+        connected_slave_count: connectedSlaves.length,
+        connected_slaves: connectedSlaves
+      };
+    });
+
+    return reply.send({
+      status_code: 200,
+      message: "Success",
+      master_count: masters.length,
+      slave_count: slaves.length,
+      data: enrichedMasters
+    });
+
+  } catch (err) {
+    console.error("Error:", err);
+    return reply.status(500).send({
+      status_code: 500,
+      message: "Internal Server Error"
+    });
+  }
+}
+
+
+// exports.getIotDataByCustomer = async (req, reply) => {
+//   try {
+//     const { customerId } = req.params;
+
+//     if (!customerId) {
+//       return reply.code(400).send({ error: "customerId is required" });
+//     }
+
+//     // 1. Fetch all tanks by customerId
+//     const tanks = await Tank.find({ customerId });
+//     console.log("Tanks found:", tanks.length);
+
+//     if (!tanks || tanks.length === 0) {
+//       return reply.code(404).send({ message: "No tanks found for this customer." });
+//     }
+
+//     // 2. Collect all motor_ids from input & output connections
+//     const motorIdSet = new Set();
+
+//     for (const tank of tanks) {
+//       const { inputConnections = [], outputConnections = [] } = tank.connections || {};
+
+//       inputConnections.forEach(conn => {
+//         if (conn.motor_id) motorIdSet.add(conn.motor_id.trim());
+//       });
+
+//       outputConnections.forEach(conn => {
+//         if (conn.motor_id) motorIdSet.add(conn.motor_id.trim());
+//       });
+//     }
+
+//     const motorIds = Array.from(motorIdSet);
+//     console.log("Unique motorIds collected:", motorIds);
+
+//     if (motorIds.length === 0) {
+//       return reply.send({ status_code: 200, message: "No motors connected", data: [] });
+//     }
+
+//     // 3. Fetch the latest IotData for each unique hardwareId
+//     const latestIotDataPromises = motorIds.map(hardwareId =>
+//       IotData.findOne({ hardwareId }).sort({ date: -1 }).lean()
+//     );
+
+//     const iotDataResults = await Promise.all(latestIotDataPromises);
+//     const filteredData = iotDataResults.filter(doc => doc); // remove nulls
+
+//     console.log("Latest IotData entries found:", filteredData.length);
+
+//     return reply.send({
+//       status_code: 200,
+//       message: "Success",
+//       data: filteredData
+//     });
+
+//   } catch (err) {
+//     console.error("Error fetching IoT data by customerId:", err);
+//     return reply.code(500).send({ error: "Internal Server Error" });
+//   }
+// };
+
+
+
+exports.getIotDataByCustomer = async (req, reply) => {
+  try {
+    const { customerId } = req.params;
+
+    if (!customerId) {
+      return reply.code(400).send({ error: "customerId is required" });
+    }
+
+    // 1. Fetch all insensors for this customer
+    const sensors = await Insensors.find({ customerId });
+
+    console.log("Sensors found:", sensors.length);
+
+    if (!sensors || sensors.length === 0) {
+      return reply.code(404).send({ message: "No sensors found for this customer." });
+    }
+
+    // 2. Get unique connected_to hardwareIds
+    const hardwareIds = [
+      ...new Set(
+        sensors
+          .map(sensor => sensor.connected_to?.trim())
+          .filter(Boolean)
+      ),
+    ];
+
+    console.log("Collected hardwareIds:", hardwareIds);
+
+    if (hardwareIds.length === 0) {
+      return reply.send({ status_code: 200, message: "No connected hardwareIds found", data: [] });
+    }
+
+    // 3. Fetch latest 3 records per hardwareId
+    const latestDataPromises = hardwareIds.map(async hardwareId => {
+      const records = await IotData.find({ hardwareId })
+        .sort({ date: -1 })
+        .limit(3)
+        .lean();
+
+      return {
+        hardwareId,
+        records,
+      };
+    });
+
+    const iotDataGrouped = await Promise.all(latestDataPromises);
+
+    return reply.send({
+      status_code: 200,
+      message: "Success",
+      data: iotDataGrouped,
+    });
+  } catch (err) {
+    console.error("Error fetching IoT data by customerId:", err);
+    return reply.code(500).send({ error: "Internal Server Error" });
+  }
+};
+
diff --git a/src/models/store.js b/src/models/store.js
index c71292b4..a3c903c0 100644
--- a/src/models/store.js
+++ b/src/models/store.js
@@ -377,6 +377,7 @@ const insensorsSchema = new mongoose.Schema({
     connecting_to_sensor: { result: String },
     connecting_to_slave: { result: String },
     data_sending: { result: String },
+    connected_slave_count: {type : String},
     distance_check: {
       result: String,
       steps: [
diff --git a/src/routes/installationRoute.js b/src/routes/installationRoute.js
index 9d8f8a2d..44166bcc 100644
--- a/src/routes/installationRoute.js
+++ b/src/routes/installationRoute.js
@@ -376,7 +376,40 @@ module.exports = function (fastify, opts, next) {
         handler: installationController.mastrerList,
       });
       
-      
+      fastify.get("/api/getmasterlistwithslaves/:customerId", {
+        schema: {
+          description: "Get masrter connected slave data with full info",
+          tags: ["Installation"],
+          summary: "Get masrter connected slave data with full info",
+          params: {
+            type: "object",
+            properties: {
+              customerId: { type: "string" },
+              
+            },
+            required: [ "customerId"],
+          },
+        },
+        handler: installationController.getMasterSlaveSummary,
+      });
+
+      fastify.get("/api/getAllmasterlistwithslaves/:customerId", {
+        schema: {
+          description: "Get All check masrter connected slave data with full info",
+          tags: ["Installation"],
+          summary: "Get All check masrter connected slave data with full info",
+          params: {
+            type: "object",
+            properties: {
+              customerId: { type: "string" },
+              
+            },
+            required: [ "customerId"],
+          },
+        },
+        handler: installationController.getIotDataByCustomer,
+      });
+
     next();
 
 }
\ No newline at end of file