diff --git a/src/controllers/installationController.js b/src/controllers/installationController.js
index b93762a8..072def60 100644
--- a/src/controllers/installationController.js
+++ b/src/controllers/installationController.js
@@ -9710,6 +9710,195 @@ if (!orders.length) {
   }
 };
 
+exports.sendToStoreHardwareList = async (req, reply) => {
+  try {
+    const { supportId, customerId } = req.params;
+    const { storeId } = req.body;
+
+    if (!supportId || !customerId) {
+      return reply.code(400).send({ error: "supportId and customerId are required in path params" });
+    }
+
+    const support = await Support.findOne({ supportId }).lean();
+    if (!support) return reply.code(404).send({ message: "Support record not found" });
+
+    const issues = [...(support.categorizedIssues || []), ...(support.resolvedIssues || [])];
+    if (!issues.length) return reply.code(404).send({ message: "No issues found for this support ID" });
+
+    const hardwareIds = [...new Set(issues.map(issue => issue.hardwareId).filter(Boolean))];
+    if (!hardwareIds.length) return reply.code(404).send({ message: "No hardware IDs found for these issues" });
+
+    const allRelatedSensors = await Insensors.find({
+      customerId,
+      hardwareId: { $in: hardwareIds }
+    }).lean();
+
+    if (!allRelatedSensors.length) return reply.code(404).send({ message: "No sensors found" });
+
+    // 🔍 Filter orders by optional storeId
+    let orders = [];
+    if (storeId) {
+      orders = await Order.find({ customerId, storeId }).lean();
+    } else {
+      orders = await Order.find({ customerId }).lean();
+    }
+
+    if (!orders.length) {
+      const fallbackOrder = await Order.findOne({ "master_connections.hardwareId": { $in: hardwareIds } }).lean();
+      if (fallbackOrder) orders = [fallbackOrder];
+    }
+
+    const orderMap = {};
+    orders.forEach(order => {
+      (order.master_connections || []).forEach(conn => {
+        const trimmedId = (conn.hardwareId || "").trim();
+        if (trimmedId) {
+          orderMap[trimmedId] = {
+            masterName: conn.master_name?.trim() || "",
+            location: conn.location?.trim() || ""
+          };
+        }
+      });
+    });
+
+    const issueMap = {};
+    issues.forEach(issue => {
+      issueMap[issue.hardwareId] = issue;
+    });
+
+    const disconnectedIssues = [];
+    const allMasters = allRelatedSensors.filter(i => i.type === "master");
+
+    for (const master of allMasters) {
+      const slaves = await Insensors.find({ connected_to: master.hardwareId, customerId }).lean();
+      const latestIotData = await IotData.findOne({ hardwareId: master.hardwareId }).sort({ date: -1 }).lean();
+      const now = moment.tz("Asia/Kolkata");
+
+      let gsmConnected = false;
+      if (latestIotData?.date) {
+        const gsmTime = moment.tz(latestIotData.date, "Asia/Kolkata");
+        gsmConnected = now.diff(gsmTime, "minutes") <= 1;
+      }
+
+      await Insensors.updateOne(
+        { hardwareId: master.hardwareId },
+        { $set: { connected_status: gsmConnected ? "connected" : "disconnected" } }
+      );
+
+      const slaveDetails = await Promise.all(slaves.map(async (slave) => {
+        const slaveHardwareId = slave.tankhardwareId?.trim();
+        const matchedTank = latestIotData?.tanks?.find(tank => tank.tankhardwareId === slaveHardwareId);
+
+        let loraConnected = false;
+        if (matchedTank?.date && matchedTank?.tankHeight !== "0") {
+          const tankTime = moment.tz(matchedTank.date, "Asia/Kolkata");
+          loraConnected = now.diff(tankTime, "minutes") <= 1;
+        }
+
+        await Insensors.updateOne(
+          { tankhardwareId: slaveHardwareId },
+          { $set: { connected_status: loraConnected ? "connected" : "disconnected" } }
+        );
+
+        const tankInfo = await Tank.findOne({
+          $or: [
+            { hardwareId: slaveHardwareId },
+            { tankhardwareId: slaveHardwareId }
+          ]
+        }).lean();
+
+        const slaveComments = (support.comments || []).filter(
+          comment => comment.hardwareId === slave.hardwareId && comment.customerId === customerId
+        ).map(c => ({
+          text: c.text,
+          commentsTime: c.createdAt ? moment(c.createdAt).tz("Asia/Kolkata").format("DD-MM-YYYY HH:mm") : null
+        }));
+
+        return {
+          hardwareId: slave.tankhardwareId,
+          tankName: slave.tankName || "",
+          location: slave.tankLocation || "",
+          connected_status: loraConnected ? "connected" : "disconnected",
+          connected_to: slave.connected_to || "",
+          gsm_last_check_time: slave.gsm_last_check_time || null,
+          gsm_last_disconnect_time: slave.gsm_last_disconnect_time || null,
+          lora_last_disconnect_time: slave.lora_last_disconnect_time || null,
+          connected_gsm_date: slave.connected_gsm_date || "",
+          connected_gsm_time: slave.connected_gsm_time || "",
+          connected_lora_date: slave.connected_lora_date || "",
+          connected_lora_time: slave.connected_lora_time || "",
+          support_lora_last_check_time: slave.support_lora_last_check_time || null,
+          masterName: orderMap[master.hardwareId?.trim()]?.masterName || "",
+          type: "slave",
+          typeOfWater: tankInfo?.typeOfWater || "",
+          outDoor_status: slave.outDoor_status || "inprogress"
+        };
+      }));
+
+      const masterComments = (support.comments || []).filter(
+        comment => comment.hardwareId === master.hardwareId && comment.customerId === customerId
+      ).map(c => ({
+        text: c.text,
+        commentsTime: c.createdAt ? moment(c.createdAt).tz("Asia/Kolkata").format("DD-MM-YYYY HH:mm") : null
+      }));
+
+      const trimmedMasterId = (master.hardwareId || "").trim();
+      const orderDetails = orderMap[trimmedMasterId] || {};
+      const issue = issueMap[master.hardwareId];
+
+      disconnectedIssues.push({
+        hardwareId: master.hardwareId,
+        masterName: orderDetails.masterName || "",
+        location: orderDetails.location || "",
+        type: "master",
+        connected_status: gsmConnected ? "connected" : "disconnected",
+        connected_slave_count: slaveDetails.length,
+        gsm_last_check_time: master.gsm_last_check_time || null,
+        gsm_last_disconnect_time: master.gsm_last_disconnect_time || null,
+        lora_last_disconnect_time: master.lora_last_disconnect_time || null,
+        connected_gsm_date: master.connected_gsm_date || "",
+        connected_gsm_time: master.connected_gsm_time || "",
+        connected_lora_date: master.connected_lora_date || "",
+        connected_lora_time: master.connected_lora_time || "",
+        support_gm_last_check_time: master.support_gsm_last_check_time || null,
+        connected_slaves: slaveDetails,
+        comments: masterComments,
+        outDoor_status: master.outDoor_status || "inprogress",
+        movedAt: issue?.movedAt || null,
+        resolvedAt: issue?.resolvedAt || null,
+        category: issue?.category || "Uncategorized",
+        hardwareList: master.hardwareList || {},
+        assignedTo: issue?.assignedTo || null
+      });
+    }
+
+    // ✅ Step: Update storeId in Orders where matching master_connections.hardwareId
+    const updatedHardwareIds = disconnectedIssues.map(item => item.hardwareId);
+    await Order.updateMany(
+      {
+        customerId,
+        "master_connections.hardwareId": { $in: updatedHardwareIds }
+      },
+      {
+        $set: { storeId }
+      }
+    );
+
+    return reply.send({
+      status_code: 200,
+      supportId,
+      customerId,
+      storeId,
+      totalMasters: disconnectedIssues.length,
+      disconnectedIssues
+    });
+
+  } catch (err) {
+    console.error("❌ Error in sendToStoreHardwareList:", err);
+    return reply.code(500).send({ error: "Internal server error" });
+  }
+};
+
 
 exports.updateHardwareList = async (req, reply) => {
   try {
diff --git a/src/routes/installationRoute.js b/src/routes/installationRoute.js
index 258c0942..8390282f 100644
--- a/src/routes/installationRoute.js
+++ b/src/routes/installationRoute.js
@@ -858,6 +858,30 @@ module.exports = function (fastify, opts, next) {
         handler: installationController.particularCategory
       });
       
+        fastify.post('/api/support/sendToStoreHardwareList/:supportId/:customerId', {
+        schema: {
+          description: 'Send to store the hardware list',
+          tags: ['Support'],
+          summary: 'Send to store the hardware list',
+          params: {
+            type: 'object',
+            required: ['supportId', 'customerId'],
+            properties: {
+              supportId: { type: 'string' },
+              customerId: { type: 'string' },
+            }
+          },
+           body: {
+            type: "object",
+            required: ["storeId"],
+            properties: {
+              storeId: { type: "string" },
+            },
+          },
+        },
+        handler: installationController.sendToStoreHardwareList
+      });
+      
       
       fastify.post("/api/assignTeamMemberIssueToCategory/:supportId", {
         schema: {