diff --git a/src/controllers/installationController.js b/src/controllers/installationController.js
index 611c7601..718a1781 100644
--- a/src/controllers/installationController.js
+++ b/src/controllers/installationController.js
@@ -5159,6 +5159,15 @@ exports.getDisconnectedIssuesBySupportId = async (req, reply) => {
       const masterSensor = sensorMap[masterId];
       if (!masterSensor || masterSensor.type !== "master") continue;
 
+      const latestMasterData = await IotData.findOne({ hardwareId: masterSensor.hardwareId }).sort({ date: -1 }).lean();
+      const now = moment.tz("Asia/Kolkata");
+      let gsmConnected = false;
+
+      if (latestMasterData?.date) {
+        const gsmTime = moment.tz(latestMasterData.date, "Asia/Kolkata");
+        gsmConnected = now.diff(gsmTime, "minutes") <= 1;
+      }
+
       if (!masterMap[masterSensor.hardwareId]) {
         const enriched = orderMap[masterSensor.hardwareId] || {};
         masterMap[masterSensor.hardwareId] = {
@@ -5166,7 +5175,7 @@ exports.getDisconnectedIssuesBySupportId = async (req, reply) => {
           masterName: enriched.masterName || masterSensor.masterName || "",
           location: enriched.location || masterSensor.location || "",
           type: "master",
-          connected_status: masterSensor.connected_status,
+          connected_status: gsmConnected ? "connected" : "disconnected",
           gsm_last_check_time: masterSensor.gsm_last_check_time,
           gsm_last_disconnect_time: masterSensor.gsm_last_disconnect_time,
           connected_gsm_date: masterSensor.connected_gsm_date,
@@ -5186,7 +5195,8 @@ exports.getDisconnectedIssuesBySupportId = async (req, reply) => {
       const connectedSlaves = await Insensors.find({
         connected_to: masterSensor.hardwareId,
         type: "slave",
-        customerId      }).lean();
+        customerId
+      }).lean();
 
       const slaveSet = new Set(master.connected_slaves.map(s => s.hardwareId));
 
@@ -5203,11 +5213,19 @@ exports.getDisconnectedIssuesBySupportId = async (req, reply) => {
         }).lean();
 
         const slaveOrderInfo = slaveOrderMap[slaveHardwareId] || {};
+
+        const matchedTank = latestMasterData?.tanks?.find(t => t.tankhardwareId === slaveHardwareId);
+        let loraConnected = false;
+        if (matchedTank?.date && matchedTank.tankHeight !== "0") {
+          const loraTime = moment.tz(matchedTank.date, "Asia/Kolkata");
+          loraConnected = now.diff(loraTime, "minutes") <= 1;
+        }
+
         const slaveEnriched = {
           hardwareId: slaveHardwareId,
-          tankName: slave.tankName || (tankInfo?.tankName ?? ""),
+          tankName: slave.tankName || tankInfo?.tankName || "",
           location: slave.location || tankInfo?.tankLocation || slaveOrderInfo.location || "",
-          connected_status: slave.connected_status,
+          connected_status: loraConnected ? "connected" : "disconnected",
           connected_lora_time: slave.connected_lora_time,
           connected_lora_date: slave.connected_lora_date,
           lora_last_check_time: slave.lora_last_check_time,
@@ -5226,10 +5244,7 @@ exports.getDisconnectedIssuesBySupportId = async (req, reply) => {
       }
     }
 
-    // Map comments to only the text strings
     const commentTexts = (supportRecord.comments || []).map(c => c.text);
-
-    // Add these comments to each master in disconnectedIssues
     for (const master of Object.values(masterMap)) {
       master.comments = commentTexts;
     }
@@ -5241,13 +5256,13 @@ exports.getDisconnectedIssuesBySupportId = async (req, reply) => {
       totalMasters: Object.keys(masterMap).length,
       disconnectedIssues: Object.values(masterMap)
     });
-
   } catch (error) {
     console.error("Error fetching disconnected issues:", error);
     return reply.code(500).send({ error: "Internal server error" });
   }
 };
 
+
 // exports.getRemoveConnectedMastersWithSlaves = async (req, reply) => {
 //   try {
 //     const { supportId } = req.params;