diff --git a/src/controllers/installationController.js b/src/controllers/installationController.js
index 36e6efca..b5a7da2d 100644
--- a/src/controllers/installationController.js
+++ b/src/controllers/installationController.js
@@ -1037,6 +1037,79 @@ exports.mastrerList = async (req, reply) => {
 
 
 
+// exports.getMasterSlaveSummary = async (req, reply) => {
+//   try {
+//     const { customerId } = req.params;
+
+//     if (!customerId) {
+//       return reply.status(400).send({ message: "Missing customerId" });
+//     }
+
+//     const allDevices = await Insensors.find({ customerId });
+
+//     const masters = allDevices.filter(device => device.type === 'master');
+//     const slaves = allDevices.filter(device => device.type === 'slave');
+
+//     const enrichDeviceWithTimestamp = async (device) => {
+//       const hardwareId = device.hardwareId?.trim();
+//       if (!hardwareId) return device.toObject();
+
+//       const latestData = await IotData.findOne({ hardwareId })
+//         .sort({ date: -1 })
+//         .lean();
+
+//       const enriched = device.toObject();
+
+//       if (latestData?.date) {
+//         const indiaTime = moment.tz(latestData.date, "Asia/Kolkata");
+//         const date = indiaTime.format("DD-MM-YYYY");
+//         const time = indiaTime.format("HH:mm:ss");
+
+//         if (device.type === 'master') {
+//           enriched.connected_gsm_date = date;
+//           enriched.connected_gsm_time = time;
+//         }
+
+//         if (device.type === 'slave') {
+//           enriched.connected_lora_date = date;
+//           enriched.connected_lora_time = time;
+//         }
+//       }
+
+//       return enriched;
+//     };
+
+//     // Enrich all devices
+//     const enrichedMasters = await Promise.all(masters.map(enrichDeviceWithTimestamp));
+//     const enrichedSlaves = await Promise.all(slaves.map(enrichDeviceWithTimestamp));
+
+//     // Match slaves to their masters
+//     const masterSummary = enrichedMasters.map(master => {
+//       const connectedSlaves = enrichedSlaves.filter(slave => slave.connected_to === master.connected_to);
+//       return {
+//         ...master,
+//         connected_slave_count: connectedSlaves.length,
+//         connected_slaves: connectedSlaves
+//       };
+//     });
+
+//     return reply.send({
+//       status_code: 200,
+//       message: "Success",
+//       master_count: enrichedMasters.length,
+//       slave_count: enrichedSlaves.length,
+//       data: masterSummary
+//     });
+
+//   } catch (err) {
+//     console.error("Error in getMasterSlaveSummary:", err);
+//     return reply.status(500).send({
+//       status_code: 500,
+//       message: "Internal Server Error"
+//     });
+//   }
+// };
+
 exports.getMasterSlaveSummary = async (req, reply) => {
   try {
     const { customerId } = req.params;
@@ -1060,6 +1133,9 @@ exports.getMasterSlaveSummary = async (req, reply) => {
 
       const enriched = device.toObject();
 
+      // Hide hardwareId in final response (but still keep in internal processing)
+      delete enriched.hardwareId;
+
       if (latestData?.date) {
         const indiaTime = moment.tz(latestData.date, "Asia/Kolkata");
         const date = indiaTime.format("DD-MM-YYYY");
@@ -1068,22 +1144,31 @@ exports.getMasterSlaveSummary = async (req, reply) => {
         if (device.type === 'master') {
           enriched.connected_gsm_date = date;
           enriched.connected_gsm_time = time;
+          enriched.gsm_connected_status = "connected";
         }
 
         if (device.type === 'slave') {
           enriched.connected_lora_date = date;
           enriched.connected_lora_time = time;
+          enriched.lora_connected_status = "connected";
+        }
+      } else {
+        if (device.type === 'master') {
+          enriched.gsm_connected_status = "disconnected";
+        }
+        if (device.type === 'slave') {
+          enriched.lora_connected_status = "disconnected";
         }
       }
 
+      delete enriched.connected_status;
+
       return enriched;
     };
 
-    // Enrich all devices
     const enrichedMasters = await Promise.all(masters.map(enrichDeviceWithTimestamp));
     const enrichedSlaves = await Promise.all(slaves.map(enrichDeviceWithTimestamp));
 
-    // Match slaves to their masters
     const masterSummary = enrichedMasters.map(master => {
       const connectedSlaves = enrichedSlaves.filter(slave => slave.connected_to === master.connected_to);
       return {