diff --git a/src/controllers/installationController.js b/src/controllers/installationController.js
index 2fcf8be4..d65a2ca0 100644
--- a/src/controllers/installationController.js
+++ b/src/controllers/installationController.js
@@ -7109,47 +7109,81 @@ exports.moveIssueToCategory = async (req, reply) => {
 exports.particularCategory = async (req, reply) => {
   try {
     const { supportId, category } = req.params;
+    const { customerId: queryCustomerId } = req.query;
 
     if (!supportId || !category) {
       return reply.code(400).send({ error: "supportId and category are required" });
     }
 
+    // Find support record
     const support = await Support.findOne({ supportId }).lean();
     if (!support) {
       return reply.code(404).send({ message: "Support record not found" });
     }
 
+    // Filter issues by category
     const issues = (support.categorizedIssues || []).filter(issue => issue.category === category);
     if (issues.length === 0) {
       return reply.code(404).send({ message: `No issues found for category: ${category}` });
     }
 
-    const hardwareIds = issues.map(issue => issue.hardwareId).filter(Boolean);
-    const allRelatedSensors = await Insensors.find({ hardwareId: { $in: hardwareIds } }).lean();
+    // Get unique hardwareIds from the issues
+    const hardwareIds = [...new Set(issues.map(issue => issue.hardwareId).filter(Boolean))];
+
+    if (hardwareIds.length === 0) {
+      return reply.code(404).send({ message: "No hardware IDs found for these issues" });
+    }
+
+    let customerId = queryCustomerId;
+
+    if (!customerId) {
+      // Fetch sensors for these hardwareIds to find the customerId(s)
+      const sensors = await Insensors.find({ hardwareId: { $in: hardwareIds } }).lean();
+
+      if (!sensors.length) {
+        return reply.code(404).send({ message: "No sensors found matching these hardware IDs" });
+      }
+
+      // Assuming all sensors belong to the same customer, get the first customerId
+      customerId = sensors[0].customerId;
+      if (!customerId) {
+        return reply.code(404).send({ message: "Customer ID not found for these sensors" });
+      }
+    }
+
+    // Filter sensors only for this customer and hardwareIds (in case sensors contain mixed customers)
+    const allRelatedSensors = await Insensors.find({
+      customerId,
+      hardwareId: { $in: hardwareIds }
+    }).lean();
 
     if (!allRelatedSensors.length) {
-      return reply.code(404).send({ message: "No matching devices found for this category." });
+      return reply.code(404).send({ message: "No sensors found for the provided customer and hardware IDs" });
     }
 
+    // Map hardwareId to masterName and location from Orders
+    const orders = await Order.find({ customerId }).lean();
     const orderMap = {};
-    const customerId = allRelatedSensors[0]?.customerId;
-    if (customerId) {
-      const orders = await Order.find({ customerId }).lean();
-      orders.forEach(order => {
-        order.master_connections.forEach(conn => {
-          orderMap[conn.hardwareId] = {
-            masterName: conn.master_name || null,
-            location: conn.location || null
-          };
-        });
+    orders.forEach(order => {
+      order.master_connections.forEach(conn => {
+        orderMap[conn.hardwareId] = {
+          masterName: conn.master_name || null,
+          location: conn.location || null
+        };
       });
-    }
+    });
 
     const disconnectedIssues = [];
 
+    // For each master sensor
     for (const master of allRelatedSensors.filter(i => i.type === "master")) {
-      const slaves = await Insensors.find({ connected_to: master.hardwareId }).lean();
+      // Get slaves connected to this master for the same customer
+      const slaves = await Insensors.find({
+        connected_to: master.hardwareId,
+        customerId
+      }).lean();
 
+      // Prepare slave details
       const slaveDetails = await Promise.all(slaves.map(async (slave) => {
         const slaveHardwareId = slave.tankhardwareId;
 
@@ -7159,7 +7193,7 @@ exports.particularCategory = async (req, reply) => {
             { tankhardwareId: slaveHardwareId }
           ]
         }).lean();
-        console.log("tankInfo",tankInfo)
+
         const slaveComments = (support.comments || [])
           .filter(comment => comment.hardwareId === slave.hardwareId)
           .map(c => c.text);
@@ -7223,6 +7257,7 @@ exports.particularCategory = async (req, reply) => {
 
 
 
+
 // exports.assignCategorizeIssue = async (request, reply) => {
 //   const { supportId } = request.params;
 //   const { support_teamMemberId, startDate, endDate, category, masterHardwareId } = request.body;