diff --git a/src/controllers/installationController.js b/src/controllers/installationController.js
index adf631e8..a29c4381 100644
--- a/src/controllers/installationController.js
+++ b/src/controllers/installationController.js
@@ -1716,6 +1716,7 @@ exports.mastrerList = async (req, reply) => {
 
 
 
+
 exports.getMasterSlaveSummary = async (req, reply) => {
   try {
     const { customerId } = req.params;
@@ -1760,7 +1761,7 @@ exports.getMasterSlaveSummary = async (req, reply) => {
       let gsmLastDisconnect = master.gsm_last_disconnect_time || null;
 
       if (latestGsmData?.date && latestGsmData?.time) {
-        const indiaTime = moment.tz(latestGsmData.date, "Asia/Kolkata");
+        const indiaTime = moment.tz(`${latestGsmData.date} ${latestGsmData.time}`, "Asia/Kolkata");
         connectedGsmDate = indiaTime.format("DD-MM-YYYY");
         connectedGsmTime = latestGsmData.time;
 
@@ -1784,13 +1785,13 @@ exports.getMasterSlaveSummary = async (req, reply) => {
               connected_gsm_date: connectedGsmDate,
               connected_gsm_time: connectedGsmTime,
               gsm_last_check_time: gsmLastCheckTime,
-              gsm_last_disconnect_time: gsmLastDisconnect // Update the disconnect time
+              gsm_last_disconnect_time: gsmLastDisconnect
             }
           }
         );
       }
 
-      // ➤ Save GSM disconnect time if status is disconnected and gsmLastDisconnect is set
+      // Save GSM disconnect time if status is disconnected and gsmLastDisconnect is set
       if (gsmStatus === "disconnected" && gsmLastDisconnect) {
         await Insensors.updateOne(
           { hardwareId: master.hardwareId },
@@ -1806,25 +1807,24 @@ exports.getMasterSlaveSummary = async (req, reply) => {
         const slaveIot = await IotData.findOne({ hardwareId: slave.hardwareId })
           .sort({ date: -1, time: -1 })
           .lean();
-      
+
         let connectedLoraDate = null;
         let connectedLoraTime = null;
         let loraStatus = "unknown";
         let loraLastCheckTime = null;
         let loraLastDisconnect = slave.lora_last_disconnect_time || null;
-      
+
         if (slaveIot?.date && slaveIot?.time) {
           const indiaTime = moment.tz(`${slaveIot.date} ${slaveIot.time}`, "Asia/Kolkata");
           connectedLoraDate = indiaTime.format("DD-MM-YYYY");
           connectedLoraTime = slaveIot.time;
-      
+
           const now = moment.tz("Asia/Kolkata");
           const diff = now.diff(indiaTime, "minutes");
-      
+
           loraStatus = diff <= 1 ? "connected" : "disconnected";
           loraLastCheckTime = now.format("DD-MM-YYYY HH:mm:ss");
-      
-          // Update slave record with new values
+
           await Insensors.updateOne(
             { hardwareId: slave.hardwareId },
             {
@@ -1836,8 +1836,7 @@ exports.getMasterSlaveSummary = async (req, reply) => {
               }
             }
           );
-      
-          // Save disconnect time if applicable
+
           if (loraStatus === "disconnected") {
             const disconnectTime = `${connectedLoraDate} ${connectedLoraTime}`;
             await Insensors.updateOne(
@@ -1847,7 +1846,6 @@ exports.getMasterSlaveSummary = async (req, reply) => {
             loraLastDisconnect = disconnectTime;
           }
         } else {
-          // If no IoT data is found, mark explicitly as disconnected
           loraStatus = "disconnected";
           loraLastDisconnect = loraLastDisconnect || null;
           await Insensors.updateOne(
@@ -1860,9 +1858,10 @@ exports.getMasterSlaveSummary = async (req, reply) => {
             }
           );
         }
-      
+
         connectedSlaves.push({
           hardwareId: slave.hardwareId,
+          tankhardwareId: slave.tankhardwareId || null,  // Added here
           tankName: slave.tankName || null,
           location: slave.tankLocation || null,
           connected_status: loraStatus,