diff --git a/src/controllers/installationController.js b/src/controllers/installationController.js
index fa9ad4a7..b28dfbf4 100644
--- a/src/controllers/installationController.js
+++ b/src/controllers/installationController.js
@@ -576,35 +576,63 @@ exports.assignTeamMemberToQuotation = async (request, reply) => {
     }
   };
 
-
   exports.getByHardwareId = async (req, reply) => {
     try {
       const { hardwareId } = req.params;
-      
+  
       if (!hardwareId) {
         return reply.status(400).send({ error: "hardwareId is required" });
       }
   
       console.log("Fetching details for hardwareId:", hardwareId);
   
-      // Fetch only required fields to reduce response size
-      // const data = await Collection.findOne({ hardwareId })
-      //   .select("hardwareId mode tanks date time") // Select only needed fields
-      //   .lean();
-
-      const data = await IotData.find({ hardwareId });
-
+      // Fetch the latest 3 records sorted by date descending
+      const iotData = await IotData.find({ hardwareId })
+        .sort({ date: -1 })
+        .limit(3)
+        .lean();
   
-      if (!data) {
-        return reply.send({ status_code: 404, message: "Data not found", data: null });
+      if (!iotData || iotData.length === 0) {
+        return reply.send({ status_code: 404, message: "IoT Data not found", data: null });
       }
   
-      return reply.send({ status_code: 200, message: "Success", data });
+      const latestRecord = iotData[0]; // Most recent one
+  
+      // Format current timestamp or use `latestRecord.date`
+      const now = new Date(latestRecord.date || Date.now());
+      const connected_gsm_date = now.toISOString().split('T')[0]; // yyyy-mm-dd
+      const connected_gsm_time = now.toTimeString().split(' ')[0]; // hh:mm:ss
+  
+      // Update insensor where connected_to = hardwareId
+      await Insensors.findOneAndUpdate(
+        { connected_to: hardwareId },
+        {
+          connected_gsm_time,
+          connected_gsm_date
+        },
+        { new: true }
+      );
+  
+      // Optionally fetch updated insensor if you want to include it in response
+      const sensor = await Insensors.findOne({ connected_to: hardwareId });
+  
+      return reply.send({
+        status_code: 200,
+        message: "Success",
+        data: {
+          latest_3_records: iotData,
+          connected_gsm_time,
+          connected_gsm_date,
+          sensorInfo: sensor || null
+        }
+      });
+  
     } catch (err) {
       console.error("Error:", err);
       return reply.status(500).send({ error: "Internal Server Error" });
     }
   };
+  
 
   
   exports.getByHardwareAndTankId = async (req, reply) => {
@@ -617,17 +645,39 @@ exports.assignTeamMemberToQuotation = async (request, reply) => {
   
       console.log("Fetching details for:", { hardwareId, tankhardwareId });
   
-      // Correct query using $elemMatch
+      // Query with projection to match the specific tank
       const data = await IotData.findOne(
         { hardwareId, tanks: { $elemMatch: { tankhardwareId } } },
-        { "tanks.$": 1, hardwareId: 1, mode: 1, date: 1, time: 1 } // Projection to return only matched tank
-      );
+        { "tanks.$": 1, hardwareId: 1, mode: 1, date: 1, time: 1 }
+      ).lean();
   
       if (!data) {
         return reply.send({ status_code: 404, message: "Data not found", data: null });
       }
   
-      return reply.send({ status_code: 200, message: "Success", data });
+      // Use the IotData's date/time if available, otherwise fallback to now
+      const now = new Date(data.date || Date.now());
+      const connected_lora_date = now.toISOString().split("T")[0]; // yyyy-mm-dd
+      const connected_lora_time = now.toTimeString().split(" ")[0]; // hh:mm:ss
+  
+      // Update the related insensor with LoRa connected time and date
+      await Insensors.findOneAndUpdate(
+        { connected_to: hardwareId, hardwareId: tankhardwareId },
+        {
+          connected_lora_date,
+          connected_lora_time
+        },
+        { new: true }
+      );
+  
+      return reply.send({
+        status_code: 200,
+        message: "Success",
+        data,
+        connected_lora_date,
+        connected_lora_time
+      });
+  
     } catch (err) {
       console.error("Error:", err);
       return reply.status(500).send({ error: "Internal Server Error" });
diff --git a/src/models/store.js b/src/models/store.js
index 52aac643..d0ce1671 100644
--- a/src/models/store.js
+++ b/src/models/store.js
@@ -364,6 +364,11 @@ const insensorsSchema = new mongoose.Schema({
   connected_status: { type: String, enum: ["connected", "Not connected", "unknown"], default: "unknown" },
   masterName: { type: String, default: null },
   location: { type: String, default: null },
+  connected_gsm_time: { type: String, default: null },
+connected_gsm_date: { type: String, default: null },
+connected_lora_date: { type: String, default: null },
+connected_lora_time: { type: String, default: null },
+
   quality_check_details: [{
     damage_check: { result: String },
     stickering_check: { result: String },