diff --git a/app/controllers/quarterlyWindowsConfiguration.controller.js b/app/controllers/quarterlyWindowsConfiguration.controller.js
index d15b951..8d0fb7b 100644
--- a/app/controllers/quarterlyWindowsConfiguration.controller.js
+++ b/app/controllers/quarterlyWindowsConfiguration.controller.js
@@ -3,6 +3,7 @@ const { Op } = require("sequelize");
 const { Sequelize } = require("sequelize");
 const QuarterlyWindowsConfiguration = db.QuarterlyWindowsConfiguration;
 const Establishment = db.Establishment;
+const EstablishmentUser = db.EstablishmentUser;
 
 //  Create new configuration
 exports.createConfig = async (req, res) => {
@@ -21,13 +22,23 @@ exports.createConfig = async (req, res) => {
     const assignedCount = await Establishment.count({
       where: { is_active: true } 
     });
-
+   
     // set auto values before inserting
     req.body.assigned = assignedCount;
     req.body.responded = 0;
     req.body.not_responded = assignedCount;
     req.body.created_by = req.body.created_by || req.user.id;
 
+    const EstablishmentUserData = await EstablishmentUser.findAll({where: { establishment_id: result.establishment_id, is_active: 1 }});
+    const establishmentEmailPromises = EstablishmentUserData.map((userObj) => {
+           console.log("Sending email to Establishment User:", userObj.email);
+          return sendEmailService(userObj.email,"submission_created_mail_to_establishment_user",{...basePlaceholder,user_name: userObj.name,});
+        });
+
+    await Promise.all([
+      ...establishmentEmailPromises
+    ]); 
+
     const data = await QuarterlyWindowsConfiguration.create(req.body);
     res.status(201).send({
       status: "success",