diff --git a/src/controllers/installationController.js b/src/controllers/installationController.js
index 3d9e76ae..adf631e8 100644
--- a/src/controllers/installationController.js
+++ b/src/controllers/installationController.js
@@ -740,6 +740,7 @@ exports.getByHardwareIdSupport = async (req, reply) => {
   }
 };  
 
+
 exports.getByHardwareAndTankId = async (req, reply) => {
   try {
     const { hardwareId, tankhardwareId } = req.params;
@@ -748,11 +749,9 @@ exports.getByHardwareAndTankId = async (req, reply) => {
       return reply.status(400).send({ error: "Both hardwareId and tankhardwareId are required" });
     }
 
-    console.log("Fetching tank data for:", { hardwareId, tankhardwareId });
+    console.log("📡 Fetching data for:", { hardwareId, tankhardwareId });
 
-    const latestData = await IotData.findOne({ hardwareId })
-      .sort({ date: -1 })
-      .lean();
+    const latestData = await IotData.findOne({ hardwareId }).sort({ date: -1 }).lean();
 
     if (!latestData || !Array.isArray(latestData.tanks)) {
       return reply.code(404).send({ message: "No data found for given hardwareId and tankhardwareId" });
@@ -760,8 +759,7 @@ exports.getByHardwareAndTankId = async (req, reply) => {
 
     const now = new Date();
     const dataDate = new Date(latestData.date);
-    const diffInMs = now - dataDate;
-    const isGSMConnected = diffInMs <= 60000;
+    const isGSMConnected = now - dataDate <= 60000;
 
     const matchedTank = latestData.tanks.find(tank => tank.tankhardwareId === tankhardwareId);
 
@@ -772,58 +770,50 @@ exports.getByHardwareAndTankId = async (req, reply) => {
     const tankHeight = parseFloat(matchedTank.tankHeight || "0");
     const isLoraConnected = isGSMConnected && tankHeight > 0;
 
+    // Format date and time from matched tank
     const matchedTankDateObj = new Date(matchedTank.date);
-    const day = String(matchedTankDateObj.getDate()).padStart(2, '0');
-    const month = String(matchedTankDateObj.getMonth() + 1).padStart(2, '0');
-    const year = matchedTankDateObj.getFullYear();
-    const formattedDate = `${day}-${month}-${year}`;
+    const formattedDate = moment(matchedTankDateObj).tz("Asia/Kolkata").format("DD-MM-YYYY");
+    const formattedTime = matchedTank.time || moment(matchedTankDateObj).tz("Asia/Kolkata").format("HH:mm:ss");
 
     matchedTank.date = formattedDate;
+    matchedTank.time = formattedTime;
 
     const updateFields = {
-      connected_status: isLoraConnected ? "connected" : "disconnected"
+      connected_status: isLoraConnected ? "connected" : "disconnected",
+      connected_lora_date: formattedDate,
+      connected_lora_time: formattedTime,
+      lora_last_check_time: moment().tz("Asia/Kolkata").format("DD-MM-YYYY HH:mm:ss")
     };
 
-    let connected_lora_date = null;
-    let connected_lora_time = null;
-    let lora_last_check_time = null;
+    // Check if Insensors document exists before updating
+    const sensorDoc = await Insensors.findOne({ connected_to: hardwareId, hardwareId: tankhardwareId });
 
-    if (isLoraConnected) {
-      connected_lora_date = formattedDate;
-      connected_lora_time = matchedTank.time || matchedTankDateObj.toTimeString().split(" ")[0];
-      updateFields.connected_lora_date = connected_lora_date;
-      updateFields.connected_lora_time = connected_lora_time;
+    if (!sensorDoc) {
+      console.warn("⚠️ No Insensors doc found with:", { connected_to: hardwareId, hardwareId: tankhardwareId });
+    } else {
+      const updated = await Insensors.findByIdAndUpdate(sensorDoc._id, { $set: updateFields }, { new: true });
+      console.log("✅ Insensors updated:", updated._id);
     }
 
-    // ✅ Format LoRa last check time in "YYYY-MM-DD HH:mm:ss"
-    lora_last_check_time = moment.tz("Asia/Kolkata").format("DD-MM-YYYY HH:mm:ss");
-    updateFields.lora_last_check_time = lora_last_check_time;
-
-    await Insensors.findOneAndUpdate(
-      { connected_to: hardwareId, hardwareId: tankhardwareId },
-      { $set: updateFields },
-      { new: true }
-    );
-
-    const displayMessage = isLoraConnected ? "LoRa connected" : "LoRa not connected";
-
     return reply.send({
       status_code: 200,
-      message: displayMessage,
+      message: isLoraConnected ? "LoRa connected" : "LoRa not connected",
       data: matchedTank,
       lora_connected_status: updateFields.connected_status,
-      connected_lora_date,
-      connected_lora_time,
-      lora_last_check_time
+      connected_lora_date: updateFields.connected_lora_date,
+      connected_lora_time: updateFields.connected_lora_time,
+      lora_last_check_time: updateFields.lora_last_check_time
     });
 
   } catch (err) {
-    console.error("Error in getByHardwareAndTankId:", err);
+    console.error("❌ Error in getByHardwareAndTankId:", err);
     return reply.status(500).send({ error: "Internal Server Error" });
   }
 };
 
 
+
+
 exports.getByHardwareAndTankIdSupport = async (req, reply) => {
   try {
     const { hardwareId, tankhardwareId } = req.params;
@@ -2449,76 +2439,87 @@ exports.getIotDataByCustomer = async (req, reply) => {
       return reply.code(400).send({ error: "customerId is required" });
     }
 
+    // ✅ Get all sensors for the customer
     const sensors = await Insensors.find({ customerId });
 
     if (!sensors.length) {
       return reply.code(404).send({ message: "No sensors found for this customer." });
     }
 
-    const masterHardwareIds = [
-      ...new Set(sensors.map(s => s.connected_to?.trim()).filter(Boolean))
-    ];
+    // ✅ Get only master hardware IDs from Insensors directly
+    const masterSensors = sensors.filter(s => s.type === 'master');
+    const masterHardwareIds = masterSensors.map(m => m.hardwareId?.trim());
+
+    // ✅ Map for masterName/location from Order
+    const orders = await Order.find({ customerId }).lean();
+    const orderMap = {};
+    orders.forEach(order => {
+      order.master_connections.forEach(connection => {
+        orderMap[connection.hardwareId] = {
+          masterName: connection.master_name || null,
+          location: connection.location || null
+        };
+      });
+    });
+
+    // ✅ Prepare final enriched master data
     const enrichedMasters = await Promise.all(masterHardwareIds.map(async (hardwareId) => {
       const latestRecord = await IotData.findOne({ hardwareId }).sort({ date: -1 }).lean();
-    
+
+      const orderInfo = orderMap[hardwareId] || {};
+
       if (!latestRecord) {
         return {
           hardwareId,
           message: "No IoT data found",
+          masterName: orderInfo.masterName ?? null,
+          location: orderInfo.location ?? null,
           tanks: []
         };
       }
-    
-      // ✅ Use timestamp to check GSM connection
+
+      // ✅ Check GSM status
       const indiaTime = moment.tz(latestRecord.date, "Asia/Kolkata");
       const now = moment.tz("Asia/Kolkata");
       const diffInMinutes = now.diff(indiaTime, "minutes");
       const gsmConnected = diffInMinutes <= 1;
-    
       const message = gsmConnected ? "GSM is connected" : "GSM is not connected";
-    
-      // Get all connected slaves
+
+      // ✅ Get slaves connected to this master
       const connectedSlaves = sensors.filter(sensor => sensor.connected_to?.trim() === hardwareId);
-    
-      // Enrich tanks
-      let tanks = connectedSlaves.map(slave => {
+
+      // ✅ Prepare tank info
+      const tanks = connectedSlaves.map(slave => {
         const slaveId = slave.hardwareId?.trim();
-        const matchedTank = latestRecord.tanks.find(tank => tank.tankhardwareId === slaveId);
-    
-        let loraConnected = false;
-        let loraMessage = "LORA is not connected"; // Default message for LoRa not connected
-    
-        // If matchedTank exists and tankHeight is not zero, check LoRa connection
+        const matchedTank = latestRecord.tanks?.find(t => t.tankhardwareId === slaveId);
+
+        let loraMessage = "LORA is not connected";
+
         if (matchedTank?.date && matchedTank.tankHeight !== "0") {
           const tankTime = moment.tz(matchedTank.date, "Asia/Kolkata");
           const loraDiff = now.diff(tankTime, "minutes");
-          loraConnected = loraDiff <= 1;
-          loraMessage = loraConnected ? "LORA is connected" : "LORA is not connected";
+          loraMessage = loraDiff <= 1 ? "LORA is connected" : "LORA is not connected";
         }
-    
+
         return {
           tankhardwareId: slaveId,
           tankName: slave.tankName ?? null,
           tankLocation: slave.tankLocation ?? null,
-          masterName: slave.masterName ?? null,
-          location: slave.location ?? null,
-          loraMessage, // Updated LoRa message
+          masterName: orderInfo.masterName ?? null,
+          location: orderInfo.location ?? null,
+          loraMessage,
           latestTankData: matchedTank ?? null
         };
       });
-    
-      // ✅ Remove the first tank
-      tanks = tanks.slice(1);
-    
+
       return {
         hardwareId,
         message,
-        masterName: connectedSlaves[0]?.masterName ?? null,
-        location: connectedSlaves[0]?.location ?? null,
+        masterName: orderInfo.masterName ?? null,
+        location: orderInfo.location ?? null,
         tanks
       };
     }));
-    
 
     return reply.send({
       status_code: 200,