diff --git a/src/controllers/installationController.js b/src/controllers/installationController.js
index a03a08fe..73ab212a 100644
--- a/src/controllers/installationController.js
+++ b/src/controllers/installationController.js
@@ -1457,6 +1457,7 @@ exports.mastrerList = async (req, reply) => {
 //   }
 // };
 
+
 exports.getMasterSlaveSummary = async (req, reply) => {
   try {
     const { customerId } = req.params;
@@ -1465,7 +1466,6 @@ exports.getMasterSlaveSummary = async (req, reply) => {
       return reply.status(400).send({ error: 'customerId is required' });
     }
 
-    // Fetch all devices for the customer
     const allDevices = await Insensors.find({ customerId }).lean();
 
     const masters = allDevices.filter(dev => dev.type === 'master');
@@ -1473,7 +1473,6 @@ exports.getMasterSlaveSummary = async (req, reply) => {
 
     const slaveMap = {};
 
-    // Process each slave
     for (const slave of slaves) {
       const masterId = slave.connected_to;
       if (!slaveMap[masterId]) {
@@ -1489,17 +1488,23 @@ exports.getMasterSlaveSummary = async (req, reply) => {
       // If disconnected, update LoRa last disconnect time
       let loraLastDisconnect = slave.lora_last_disconnect_time || null;
       if (slave.connected_status === 'disconnected') {
-        const date = slave.connected_lora_date || moment().tz('Asia/Kolkata').format('YYYY-MM-DD');
-        const time = slave.connected_lora_time || moment().tz('Asia/Kolkata').format('HH:mm:ss');
-        const combined = `${date} ${time}`;
-
-        await Insensors.updateOne(
-          { hardwareId: slave.hardwareId },
-          { $set: { lora_last_disconnect_time: combined } }
-        );
-        loraLastDisconnect = combined;
+        // If connected_lora_date and connected_lora_time are available, combine them
+        const loraDate = slave.connected_lora_date;  // e.g., "23-04-2025"
+        const loraTime = slave.connected_lora_time;  // e.g., "15:38:07"
+      
+        if (loraDate && loraTime) {
+          // Combine to get formatted lora_last_disconnect_time
+          const formattedTime = `${loraDate} ${loraTime}`;  // e.g., "23-04-2025 15:38:07"
+      
+          // Update the database with this formatted value
+          await Insensors.updateOne(
+            { hardwareId: slave.hardwareId },
+            { $set: { lora_last_disconnect_time: formattedTime } }
+          );
+          loraLastDisconnect = formattedTime;  // Save the updated value to loraLastDisconnect
+        }
       }
-
+      
       // Get tankHeight from IotData
       const tankHeight = await getTankHeight(slave.hardwareId);
 
@@ -1522,23 +1527,30 @@ exports.getMasterSlaveSummary = async (req, reply) => {
 
     const response = [];
 
-    // Process each master
     for (const master of masters) {
       const connectedSlaves = slaveMap[master.hardwareId] || [];
 
       // If disconnected, update GSM last disconnect time
       let gsmLastDisconnect = master.gsm_last_disconnect_time || null;
       if (master.connected_status === 'disconnected') {
-        const date = master.connected_gsm_date || moment().tz('Asia/Kolkata').format('YYYY-MM-DD');
-        const time = master.connected_gsm_time || moment().tz('Asia/Kolkata').format('HH:mm:ss');
-        const combined = `${date} ${time}`;
-
-        await Insensors.updateOne(
-          { hardwareId: master.hardwareId },
-          { $set: { gsm_last_disconnect_time: combined } }
-        );
-        gsmLastDisconnect = combined;
+        // If connected_gsm_date and connected_gsm_time are available, combine them
+        const gsmDate = master.connected_gsm_date;  // e.g., "23-04-2025"
+        const gsmTime = master.connected_gsm_time;  // e.g., "15:38:07"
+      
+        if (gsmDate && gsmTime) {
+          // Combine to get formatted gsm_last_disconnect_time
+          const formattedTime = `${gsmDate} ${gsmTime}`;  // e.g., "23-04-2025 15:38:07"
+      
+          // Update the database with this formatted value
+          await Insensors.updateOne(
+            { hardwareId: master.hardwareId },
+            { $set: { gsm_last_disconnect_time: formattedTime } }
+          );
+          gsmLastDisconnect = formattedTime;  // Save the updated value to gsmLastDisconnect
+        }
       }
+      
+      
 
       const enriched = {
         hardwareId: master.hardwareId,
@@ -1590,7 +1602,6 @@ async function getTankHeight(hardwareId) {
 }
 
 
-
 // exports.getIotDataByCustomer = async (req, reply) => {
 //   try {
 //     const { customerId } = req.params;