diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..02215c9
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,5 @@
+__pycache__/
+*.pyc
+.git
+.idea
+venv
diff --git a/.env b/.env
index 8d571af..6ef70f0 100644
--- a/.env
+++ b/.env
@@ -2,7 +2,7 @@
 # Flask App Configuration
 # -----------------------------
 FLASK_ENV=development
-FLASK_DEBUG=True
+FLASK_DEBUG=true
 FLASK_HOST=0.0.0.0
 FLASK_PORT=5010
 
@@ -17,6 +17,7 @@ SECRET_KEY=secret1234
 DB_DIALECT=mysql
 # DB_DRIVER=pymysql
 DB_HOST=127.0.0.1
+# DB_HOST=db   # this is production for use docker 
 DB_PORT=3306
 DB_NAME=test_income_taxdb
 DB_USER=root
diff --git a/AppCode/AOHandler.py b/AppCode/AOHandler.py
index bc5327a..7aa648c 100644
--- a/AppCode/AOHandler.py
+++ b/AppCode/AOHandler.py
@@ -3,7 +3,6 @@ import mysql.connector
 import pandas as pd
 import io
 
-
 class AOHandler:
 
     def __init__(self):
@@ -49,7 +48,6 @@ class AOHandler:
             self.cursor.callproc("InsertAO", values)    
             self.conn.commit()
 
-    
     # UPDATE AO RECORD by AO id
     def update_ao(self, id, data):
         fields = [
@@ -193,8 +191,6 @@ class AOHandler:
             print("MySQL Error →", e)
             return None
 
-
-
     # CLOSE CONNECTION
     def close(self):
         self.cursor.close()
diff --git a/AppCode/CITHandler.py b/AppCode/CITHandler.py
index 96b9ed9..7762870 100644
--- a/AppCode/CITHandler.py
+++ b/AppCode/CITHandler.py
@@ -3,7 +3,6 @@ import mysql.connector
 import pandas as pd
 import io
 
-
 class CITHandler:
 
     def __init__(self):
diff --git a/AppCode/Config.py b/AppCode/Config.py
index 1d21e3a..0a83119 100644
--- a/AppCode/Config.py
+++ b/AppCode/Config.py
@@ -1,21 +1,43 @@
+# import mysql.connector
+# import os
+
+# # Database Config 
+# class DBConfig:
+#     MYSQL_HOST = os.getenv("DB_HOST")
+#     MYSQL_USER = os.getenv("DB_USER")
+#     MYSQL_PASSWORD = os.getenv("DB_PASSWORD")
+#     MYSQL_DB = os.getenv("DB_NAME")
+
+#     @staticmethod
+#     def get_db_connection():
+#         """
+#         Returns a MySQL connection object.
+#         """
+#         return mysql.connector.connect(
+#             host=DBConfig.MYSQL_HOST,
+#             user=DBConfig.MYSQL_USER,
+#             password=DBConfig.MYSQL_PASSWORD,
+#             database=DBConfig.MYSQL_DB
+#         )
+
+
 import mysql.connector
 import os
 
-# Database Config 
-class DBConfig:
-    MYSQL_HOST = os.getenv("DB_HOST")
-    MYSQL_USER = os.getenv("DB_USER")
-    MYSQL_PASSWORD = os.getenv("DB_PASSWORD")
-    MYSQL_DB = os.getenv("DB_NAME")
 
+class DBConfig:
     @staticmethod
     def get_db_connection():
         """
-        Returns a MySQL connection object.
+        Create and return a MySQL database connection
+        using environment variables.
         """
+
         return mysql.connector.connect(
-            host=DBConfig.MYSQL_HOST,
-            user=DBConfig.MYSQL_USER,
-            password=DBConfig.MYSQL_PASSWORD,
-            database=DBConfig.MYSQL_DB
+            host=os.getenv("DB_HOST", "db"),        # Docker service name
+            port=int(os.getenv("DB_PORT", 3306)),
+            user=os.getenv("DB_USER", "root"),
+            password=os.getenv("DB_PASSWORD", "root"),
+            database=os.getenv("DB_NAME", "test_income_taxdb"),
+            autocommit=False
         )
diff --git a/AppCode/ITRHandler.py b/AppCode/ITRHandler.py
index 4cb6bf1..2cec0cb 100644
--- a/AppCode/ITRHandler.py
+++ b/AppCode/ITRHandler.py
@@ -1,11 +1,9 @@
 import mysql.connector
 import pandas as pd
-import pymysql
 import io
 from flask import send_file, render_template, request
 
 from AppCode.Config import DBConfig
-from AppCode.YearGet import YearGet
 
 
 class ITRHandler:
@@ -14,7 +12,6 @@ class ITRHandler:
         self.conn = DBConfig.get_db_connection()
         self.cursor = self.conn.cursor(dictionary=True)
         
-
     # GET ALL ITR RECORDS using stored procedure "GetAllItr"
     def get_all_itr(self):
         self.cursor.callproc("GetAllItr")
@@ -52,7 +49,7 @@ class ITRHandler:
             'tax_payable', 'surcharge', 'edu_cess',
             'total_tax_payable', 'mat_credit_created', 'mat_credit_utilized',
             'interest_234c', 'total_tax', 'advance_tax', 'tds', 'tcs',
-            'sat', 'tax_on_assessment', 'refund', 'Remarks'
+            'sat', 'tax_on_assessment', 'refund', 'Remarks','created_at'
         ]
         values = [data.get(col, 0) for col in columns]
 
diff --git a/AppCode/MatCreditHandler.py b/AppCode/MatCreditHandler.py
index 2fa0a9b..e2cf3e6 100644
--- a/AppCode/MatCreditHandler.py
+++ b/AppCode/MatCreditHandler.py
@@ -1,5 +1,4 @@
 from AppCode.Config import DBConfig
-import mysql.connector
 
 class MatCreditHandler:
 
diff --git a/AppCode/__pycache__/AOHandler.cpython-313.pyc b/AppCode/__pycache__/AOHandler.cpython-313.pyc
index 3f90d31..d1b3df1 100644
Binary files a/AppCode/__pycache__/AOHandler.cpython-313.pyc and b/AppCode/__pycache__/AOHandler.cpython-313.pyc differ
diff --git a/AppCode/__pycache__/CITHandler.cpython-313.pyc b/AppCode/__pycache__/CITHandler.cpython-313.pyc
index 3567079..6c03b4e 100644
Binary files a/AppCode/__pycache__/CITHandler.cpython-313.pyc and b/AppCode/__pycache__/CITHandler.cpython-313.pyc differ
diff --git a/AppCode/__pycache__/Config.cpython-313.pyc b/AppCode/__pycache__/Config.cpython-313.pyc
index c2eec6e..45757f6 100644
Binary files a/AppCode/__pycache__/Config.cpython-313.pyc and b/AppCode/__pycache__/Config.cpython-313.pyc differ
diff --git a/AppCode/__pycache__/DocumentHandler.cpython-313.pyc b/AppCode/__pycache__/DocumentHandler.cpython-313.pyc
index 7e86f34..e8cf652 100644
Binary files a/AppCode/__pycache__/DocumentHandler.cpython-313.pyc and b/AppCode/__pycache__/DocumentHandler.cpython-313.pyc differ
diff --git a/AppCode/__pycache__/ITRHandler.cpython-313.pyc b/AppCode/__pycache__/ITRHandler.cpython-313.pyc
index 351f0f8..7047dc7 100644
Binary files a/AppCode/__pycache__/ITRHandler.cpython-313.pyc and b/AppCode/__pycache__/ITRHandler.cpython-313.pyc differ
diff --git a/AppCode/__pycache__/LoginAuth.cpython-313.pyc b/AppCode/__pycache__/LoginAuth.cpython-313.pyc
index aab7396..9f22f7c 100644
Binary files a/AppCode/__pycache__/LoginAuth.cpython-313.pyc and b/AppCode/__pycache__/LoginAuth.cpython-313.pyc differ
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..42dac6e
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,22 @@
+FROM python:3.11-slim
+
+# Prevent Python buffering
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+
+WORKDIR /app
+
+# Install system deps (if needed later)
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+EXPOSE 5000
+
+CMD ["python", "main.py"]
+
diff --git a/db/income_tax.sql b/db/income_tax.sql
new file mode 100644
index 0000000..e69de29
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..62d4f52
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,29 @@
+version: "3.9"
+
+services:
+  db:
+    image: mysql:8.0
+    container_name: income_tax_db
+    restart: always
+    environment:
+      MYSQL_ROOT_PASSWORD: root
+      MYSQL_DATABASE: test_income_taxdb
+    ports:
+      - "3307:3306"
+    volumes:
+      - mysql_data:/var/lib/mysql
+      - ./db/income_tax.sql:/docker-entrypoint-initdb.d/income_tax.sql
+
+  web:
+    build: .
+    container_name: income_tax_web
+    restart: always
+    ports:
+      - "5010:5010"
+    env_file:
+      - .env
+    depends_on:
+      - db
+
+volumes:
+  mysql_data:
diff --git a/main.py b/main.py
index 57459f8..1b2dfa6 100644
--- a/main.py
+++ b/main.py
@@ -4,7 +4,7 @@ from dotenv import load_dotenv
 load_dotenv()
 import pandas as pd
 from werkzeug.utils import secure_filename
-
+from datetime import date
 from AppCode.Config import DBConfig
 from AppCode.LoginAuth import LoginAuth
 from AppCode.FileHandler import FileHandler
@@ -107,10 +107,16 @@ def add_itr():
         itr = ITRHandler()
         itr.add_itr(request.form)
         itr.close()
-        flash("ITR record added successfully!", "success")
+
+        if 'documents' in request.files:
+            doc = DocumentHandler()
+            doc.Upload(request)
+
+        # flash("ITR record added successfully!", "success")
+        flash("ITR record and documents uploaded successfully!", "success")
         return redirect(url_for('display_itr'))
 
-    return render_template('add_itr.html')
+    return render_template('add_itr.html',current_date=date.today().isoformat())
 
 ## 4. DELETE an ITR record
 @app.route('/itr/delete/<int:id>', methods=['POST'])
@@ -135,7 +141,7 @@ def update_itr(id):
 
     record = itr.get_itr_by_id(id)
     itr.close()
-    return render_template('update_itr.html', record=record)
+    return render_template('update_itr.html', record=record, current_date=date.today().isoformat())
 
 
 
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..094b0db
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,13 @@
+Flask==3.0.1
+python-dotenv==1.0.1
+pandas==2.2.0
+Werkzeug==3.0.1
+
+mysql-connector-python==8.3.0
+
+Flask-HTTPAuth==4.8.0
+
+openpyxl==3.1.2
+xlrd==2.0.1
+
+gunicorn==21.2.0
diff --git a/static/js/itr_calc.js b/static/js/itr_calc.js
index 8e5b445..1ca7d5d 100644
--- a/static/js/itr_calc.js
+++ b/static/js/itr_calc.js
@@ -46,16 +46,6 @@ document.addEventListener("DOMContentLoaded", function () {
         var tax_payable = (tax30 > tax185) ? tax30 : tax185;
         setValue("tax_payable", tax_payable);
 
-        // // --- SURCHARGE ---
-        // var percent = getValue("persentage");
-        // var surcharge = tax_payable * (percent / 100);
-        // setValue("surcharge", surcharge);
-
-        // // --- edu_cess ---
-        // var per_cess = getValue("persentage_cess")
-        // var edu_cess = (tax_payable + surcharge) * (per_cess / 100);
-        // setValue("edu_cess", edu_cess);
-
         // --- SURCHARGE ---
         var percent = getValue("persentage");
         var surcharge = tax_payable * (percent / 100);
@@ -70,10 +60,16 @@ document.addEventListener("DOMContentLoaded", function () {
         var total_tax_payable = tax_payable + surcharge + edu_cess;
         setValue("total_tax_payable", total_tax_payable);
 
+        // --- mat_credit_created --- new
+        setValue("mat_credit_created", Math.max(tax185 - total_tax_payable, 0));
+        // --- mat credit_utilized --- new
+        setValue("mat_credit_utilized", Math.max(total_tax_payable - tax185, 0));
+
         // --- FINAL TAX ---
         var mat_credit = getValue("mat_credit_utilized");
         var interest_234c = getValue("interest_234c");
 
+        // var total_tax = total_tax_payable + mat_credit + interest_234c;
         var total_tax = total_tax_payable + mat_credit + interest_234c;
         setValue("total_tax", total_tax);
 
diff --git a/templates/add_itr.html b/templates/add_itr.html
index 54f1378..c112eff 100644
--- a/templates/add_itr.html
+++ b/templates/add_itr.html
@@ -10,7 +10,8 @@
 {% block content %}
 <div class="container">
     <h2 style="text-align:center;">New Income Tax Return Form</h2>
-    <form id="itr" method="POST">
+    <form id="itr" method="POST" enctype="multipart/form-data">
+        <input type="hidden" name="stage" value="itr">
         <div class="form-group full-width inline-2">
             <div>
                 <label>Assessment Year:</label>
@@ -21,6 +22,10 @@
                 </select>
                 <div id="yearError" style="color:red; display:none; margin-bottom:10px;"></div>
             </div>
+            <div>
+                <label>Created Date:</label>
+                <input type="date" name="created_at" value="{{ current_date }}" required>
+            </div>
         </div>
         <div class="form-group full-width inline-2">
             <div>
@@ -166,9 +171,15 @@
             <input type="number" name="refund" class="auto" step="any" value="0.00" readonly>
         </div>
 
-        <div class="form-group">
-            <label>Remarks:</label>
-            <input type="text" name="Remarks">
+        <div class="form-group full-width inline-2">
+            <div>
+                <label>Select Documents:</label>
+                <input type="file" name="documents" multiple>
+            </div>
+            <div>
+                <label>Remarks:</label>
+                <input type="text" name="Remarks">
+            </div>
         </div>
 
         <button type="submit">Submit</button>
diff --git a/templates/display_itr.html b/templates/display_itr.html
index 9a8e774..9a1e6ac 100644
--- a/templates/display_itr.html
+++ b/templates/display_itr.html
@@ -22,6 +22,7 @@
                     <th>Net Taxable Income</th>
                     <th>Total Tax Payable</th>
                     <th>Refund</th>
+                    <th>Created Record Date</th>
                     <th>Actions</th>
                 </tr>
             </thead>
@@ -33,6 +34,7 @@
                     <td>{{ "{:,.2f}".format(record.net_taxable_income) }}</td>
                     <td>{{ "{:,.2f}".format(record.total_tax_payable) }}</td>
                     <td>{{ "{:,.2f}".format(record.refund) }}</td>
+                    <td>{{ record.created_at.strftime('%Y-%m-%d') }}</td>
                     <td class="action-cell">
                         <a href="{{ url_for('update_itr', id=record.id) }}" class="btn btn-update">Edit</a>
                         <form action="{{ url_for('delete_itr', id=record.id) }}" method="post"
diff --git a/templates/update_itr.html b/templates/update_itr.html
index ff4ebf6..d6fe29d 100644
--- a/templates/update_itr.html
+++ b/templates/update_itr.html
@@ -169,6 +169,22 @@
             <label>Remarks:</label>
             <input type="text" name="Remarks" value="{{ record.Remarks }}">
         </div>
+        <div class="form-group full-width inline-2">
+            <div>
+                <label>Created Date:</label>
+                <input type="date" name="created_at"
+                    value="{{ record.created_at.strftime('%Y-%m-%d') if record.created_at else current_date }}"
+                    readonly>
+            </div>
+
+            <div>
+                <label>Last Updated:</label>
+                <input type="date" name="updated_at"
+                    value="{{ record.updated_at.strftime('%Y-%m-%d') if record.updated_at else current_date }}"
+                    readonly>
+            </div>
+        </div>
+
         <button type="submit">Update Record</button>
     </form>
 </div>
diff --git a/templates/upload.html b/templates/upload.html
index 19c2c93..bf2100c 100644
--- a/templates/upload.html
+++ b/templates/upload.html
@@ -9,7 +9,7 @@
 {% block content %}
 <div class="container">
     <h2>Upload Income Tax Documents</h2>
-    <form id="income_tax_documents" method="POST" enctype="multipart/form-data">
+    <form id="documents" method="POST" enctype="multipart/form-data">
         <label>Year:</label>
         <select id="year" name="year" required></select>
         <div id="yearError" style="color: red; display: none; margin-bottom: 10px;"></div>