diff --git a/src/controllers/installationController.js b/src/controllers/installationController.js
index e81e388d..693d33e6 100644
--- a/src/controllers/installationController.js
+++ b/src/controllers/installationController.js
@@ -586,7 +586,7 @@ exports.assignTeamMemberToQuotation = async (request, reply) => {
   
       console.log("Fetching details for hardwareId:", hardwareId);
   
-      // Fetch the latest 3 records sorted by date descending
+      // Fetch latest 3 IoT records
       const iotData = await IotData.find({ hardwareId })
         .sort({ date: -1 })
         .limit(3)
@@ -596,20 +596,23 @@ exports.assignTeamMemberToQuotation = async (request, reply) => {
         return reply.send({ status_code: 404, message: "IoT Data not found", data: null });
       }
   
-      const latestRecord = iotData[0]; // Most recent one
+      const latestRecord = iotData[0]; // Most recent record
   
-      // 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
+      // Step 1: Get GSM Date from top-level date
+      const connected_gsm_date = new Date(latestRecord.date).toISOString().split('T')[0]; // yyyy-mm-dd
   
-      // Update insensor where connected_to = hardwareId
+      // Step 2: Get GSM Time from first tank time if available
+      const firstTankTime = latestRecord.tanks?.[0]?.time || new Date(latestRecord.date).toTimeString().split(' ')[0];
+  
+      const connected_gsm_time = firstTankTime;
+  
+      // Step 3: Update Insensor
       const updateResult = await Insensors.findOneAndUpdate(
         { connected_to: hardwareId },
         {
           $set: {
-            connected_gsm_time,
-            connected_gsm_date
+            connected_gsm_date,
+            connected_gsm_time
           }
         },
         { new: true }