diff --git a/Licensing.html b/Licensing.html
index ca46dda8..14300ea6 100644
--- a/Licensing.html
+++ b/Licensing.html
@@ -1159,6 +1159,6 @@ <h4 class="title custom-margin">Contact Us</h4>
         });
       });
     </script>
-
+<script src="./assets/js/year.js"></script>
   </body>
 </html>
diff --git a/about.html b/about.html
index 23d50000..f2a234ed 100644
--- a/about.html
+++ b/about.html
@@ -1847,6 +1847,7 @@ <h4 class="title custom-margin">Contact Us</h4>
     <script src="./assets/js/botpress.js"></script>
     <script src="./assets/js/blogmodals.js"></script>
     <script src="./tools/smoothScroll.js"></script>
+    <script src="./assets/js/year.js"></script>
   </body>
 
 </html>
diff --git a/assets/js/year.js b/assets/js/year.js
new file mode 100644
index 00000000..4fbd412b
--- /dev/null
+++ b/assets/js/year.js
@@ -0,0 +1,4 @@
+const copyright_year = document.getElementById('copyright-year');
+const year = new Date().getFullYear();
+
+copyright_year.innerText = year;
diff --git a/blog.html b/blog.html
index e6a2f5ea..64c8551a 100644
--- a/blog.html
+++ b/blog.html
@@ -1460,7 +1460,7 @@ <h4 class="title custom-margin">Contact Us</h4>
     });
   </script>
 
-
+<script src="./assets/js/year.js"></script>
 </body>
 
 </head>
diff --git a/blogs/privacy-policy.html b/blogs/privacy-policy.html
index bd59fdc1..5adbc4a1 100644
--- a/blogs/privacy-policy.html
+++ b/blogs/privacy-policy.html
@@ -1049,6 +1049,6 @@ <h4 class="title">Contact Us</h4>
         updateWeekly();
       });
     </script>
-
+<script src="./assets/js/year.js"></script>
   </body>
 </html>
diff --git a/blogs/refund-policy.html b/blogs/refund-policy.html
index f46a9bf8..a575f897 100644
--- a/blogs/refund-policy.html
+++ b/blogs/refund-policy.html
@@ -1063,6 +1063,7 @@ <h4 class="title custom-margin">Contact Us</h4>
 }
 
 </style>
+<script src="./assets/js/year.js"></script>
 </body>
 
 </html>
\ No newline at end of file
diff --git a/blogs/terms-of-service.html b/blogs/terms-of-service.html
index ef612d48..4b967d8a 100644
--- a/blogs/terms-of-service.html
+++ b/blogs/terms-of-service.html
@@ -837,7 +837,7 @@ <h4 class="title">Contact Us</h4>
       updateWeekly();
     });
   </script>
-
+<script src="./assets/js/year.js"></script>
 </body>
 
 </html>
diff --git a/contact.html b/contact.html
index fe994d82..389a0740 100644
--- a/contact.html
+++ b/contact.html
@@ -1855,6 +1855,7 @@ <h4 class="title custom-margin">Contact Us</h4>
 <script src="https://mediafiles.botpress.cloud/5e160793-5606-4412-ba4c-337e416f14fe/webchat/config.js" defer></script>
 <script defer src="./assets/js/arthsathi-style.js"></script>
 <script src="./assets/js/botpress.js"></script>
+<script src="./assets/js/year.js"></script>
 
 <script>
   // Get the modals
diff --git a/contributors.html b/contributors.html
index 3616ecc9..8c027d16 100644
--- a/contributors.html
+++ b/contributors.html
@@ -727,7 +727,7 @@ <h4 class="title custom-margin">Contact Us</h4>
 
     });
   </script>
-
+<script src="./assets/js/year.js"></script>
 </body> 
 
 
diff --git a/faq.html b/faq.html
index 07da83f4..aa9d8f3f 100644
--- a/faq.html
+++ b/faq.html
@@ -1621,8 +1621,7 @@ <h4 class="title custom-margin">Contact Us</h4>
     <script src="./assets/js/botpress.js"></script>
     <script src="./assets/js/blogmodals.js"></script>
     <script src="./tools/smoothScroll.js"></script>
-
-    </head>
+    <script src="./assets/js/year.js"></script>
 </body>
 
 </html>
diff --git a/finance.html b/finance.html
index 7b95b50c..e2011dd5 100644
--- a/finance.html
+++ b/finance.html
@@ -638,6 +638,7 @@ <h4 class="title custom-margin">Contact Us</h4>
 </script>
 
   <script src="finance.js"></script>
+  <script src="./assets/js/year.js"></script>
   <script src="https://unpkg.com/aos@next/dist/aos.js"></script>
 <script>
   AOS.init({
diff --git a/index.html b/index.html
index d234f457..9001002d 100644
--- a/index.html
+++ b/index.html
@@ -3037,7 +3037,7 @@ <h4 class="title custom-margin">Contact Us</h4>
       defer></script>
     <script defer src="./assets/js/arthsathi-style.js"></script>
     <script src="./assets/js/botpress.js"></script>
-
+      <script src="./assets/js/year.js"></script>
     <script>
 
       document.getElementById("unique-subscribe-form").addEventListener("submit", function (event) {
diff --git a/maps.html b/maps.html
index 1c62ed08..4d57fe35 100644
--- a/maps.html
+++ b/maps.html
@@ -1283,5 +1283,6 @@ <h4 class="title custom-margin">Contact Us</h4>
         });
       
       </script>
+      <script src="./assets/js/year.js"></script>
 </body>
 </html>
diff --git a/quiz.html b/quiz.html
index da49749d..3f5f22ce 100644
--- a/quiz.html
+++ b/quiz.html
@@ -1083,7 +1083,7 @@ <h4 class="title custom-margin">Contact Us</h4>
 </script>
 
 </script>
-
+<script src="./assets/js/year.js"></script>
 
 </body>
 
diff --git a/server/package.json b/server/package.json
index 0cfd053c..412637e2 100644
--- a/server/package.json
+++ b/server/package.json
@@ -19,6 +19,7 @@
     "mongoose": "^8.8.0",
     "multer": "^1.4.5-lts.1",
     "nodemailer": "^6.9.16",
-    "nodemon": "^3.1.7"
+    "nodemon": "^3.1.7",
+    "server": "file:"
   }
 }
\ No newline at end of file
diff --git a/tools/RDCalculator.js b/tools/RDCalculator.js
index 6da695df..9d0afcb9 100644
--- a/tools/RDCalculator.js
+++ b/tools/RDCalculator.js
@@ -1,75 +1,48 @@
-document.addEventListener("DOMContentLoaded", function() {
-    document.getElementById("calculate-Btn3").addEventListener("click", function() {
-        const monthlyInstallment = parseFloat(document.getElementById("monthly-installment").value);
-        const annualInterestRate = parseFloat(document.getElementById("rate1").value);
-        const timePeriodMonths = parseFloat(document.getElementById("months1").value);
-
-        // Clear previous error messages
-        clearErrorMessages();
-
-        // Validate inputs and display errors if any
-        const hasError = validateInputs(monthlyInstallment, annualInterestRate, timePeriodMonths);
-        if (hasError) return;
-
-        const monthlyInterestRate = annualInterestRate / 12 / 100;
-        let maturityAmount = 0;
-
-        for (let i = 0; i < timePeriodMonths; i++) {
-            maturityAmount += monthlyInstallment * Math.pow((1 + monthlyInterestRate), (timePeriodMonths - i)); 
-        }
-
-        const totalInvestAmount = monthlyInstallment * timePeriodMonths;
-        const interestEarned = maturityAmount - totalInvestAmount;
-
-        const formatter = new Intl.NumberFormat('en-IN', {
-            style: 'currency',
-            currency: 'INR'
-        });
-
-        // Display formatted results
-        document.getElementById("interestEarned1").innerText = `Interest Earned: ${formatter.format(interestEarned)}`;
-        document.getElementById("maturityAmount1").innerText = `Maturity Amount: ${formatter.format(maturityAmount)}`;
-    });
-
-    document.getElementById("clearBtn2").addEventListener("click", function() {
-        clearInputs();
-    });
-
-    function validateInputs(monthlyInstallment, annualInterestRate, timePeriodMonths) {
-        let hasError = false;
-
-        if (isNaN(monthlyInstallment) || monthlyInstallment <= 0) {
-            showError('installmentError', 'Please enter a valid positive number for the monthly installment.');
-            hasError = true;
-        }
-        if (isNaN(annualInterestRate) || annualInterestRate <= 0) {
-            showError('rateError', 'Please enter a valid positive number for the annual interest rate.');
-            hasError = true;
-        }
-        if (isNaN(timePeriodMonths) || timePeriodMonths <= 0) {
-            showError('monthsError', 'Please enter a valid positive number for the time period in months.');
-            hasError = true;
-        }
-
-        return hasError;
+function calculateRD() {
+    let amount = parseFloat(document.getElementById("monthly-installment").value);
+    let rate = parseFloat(document.getElementById("rate1").value) / 100;
+    let time = parseFloat(document.getElementById("months").value) / 12;
+    let n = 12;
+
+    let maturity = amount * ((Math.pow(1 + (rate / n), n * time) - 1) / (1 - Math.pow(1 + (rate / n), -1)));
+
+    let totalInvestment = amount * (time * 12); 
+    let interestEarned = maturity - totalInvestment; 
+
+        document.getElementById("interestEarned1").innerText = interestEarned.toFixed(2);
+        document.getElementById("maturityAmount1").innerText = maturity.toFixed(2);
+    
+
+    console.log('all done')
+}
+
+function clearFields() {
+    document.getElementById("monthly-installment").value = "";
+    document.getElementById("rate1").value = "";
+    document.getElementById("months").value = "";
+    document.getElementById('calculate-rd').disabled = true
+    document.getElementById("interestEarned1").innerText = '';
+document.getElementById("maturityAmount1").innerText = '';
+    
+}
+
+
+function disable() {
+    let amount =document.getElementById("monthly-installment").value;
+    let rate = document.getElementById("rate1").value;
+    let time = document.getElementById("months").value;
+    let calculate_rd_button = document.getElementById('calculate-rd');
+    if (amount.length < 1 ||rate.length < 1 || time.length < 1) {
+       calculate_rd_button.disabled = true
+    } else {
+        calculate_rd_button.disabled = false
     }
+    
+}
 
-    function showError(elementId, message) {
-        document.getElementById(elementId).textContent = message;
-    }
+document.getElementById('clear').addEventListener('click', clearFields)
+document.getElementById('calculate-rd').addEventListener('click', calculateRD)
 
-    function clearErrorMessages() {
-        document.getElementById('installmentError').textContent = '';
-        document.getElementById('rateError').textContent = '';
-        document.getElementById('monthsError').textContent = '';
-    }
-
-    function clearInputs() {
-        document.getElementById("monthly-installment").value = '';
-        document.getElementById("rate1").value = '';
-        document.getElementById("months1").value = '';
-        document.getElementById("interestEarned1").innerText = '';
-        document.getElementById("maturityAmount1").innerText = '';
-        clearErrorMessages();
-    }
-});
\ No newline at end of file
+document.getElementById("monthly-installment").addEventListener('input', disable);
+document.getElementById("rate1").addEventListener('input', disable);
+document.getElementById("months").addEventListener('input', disable);
\ No newline at end of file
diff --git a/tools/sip.html b/tools/sip.html
index a015aa2e..257de085 100644
--- a/tools/sip.html
+++ b/tools/sip.html
@@ -2380,11 +2380,11 @@ <h5>Result:</h5>
               </div>
               <div class="form-group">
                 <label for="months">Time Period (in months):</label>
-                <input type="number" id="months1" placeholder="Enter Time Period" required>
+                <input type="number" id="months" placeholder="Enter Time Period" required>
               </div>
               <div class="btn-calculate">
-                <button id="calculate-Btn3" type="button" class="btn btn-calculate">Calculate</button>
-                <button id="clearBtn2" type="button" class="btn btn-clear">
+                <button id="calculate-rd" type="button" class="btn btn-calculate" disabled>Calculate</button>
+                <button id="clear" type="button" class="btn btn-clear">
                   <p class="btn-text">Clear</p>
                 </button>
               </div>
@@ -3132,6 +3132,7 @@ <h4 class="title custom-margin">Contact Us</h4>
 
     </script>
     <script src="./smoothScroll.js"></script>
+    <script src="../assets/js/year.js"></script>
   </body>
 
 </html>
\ No newline at end of file
diff --git a/trends.html b/trends.html
index 53953d9b..88ebba98 100644
--- a/trends.html
+++ b/trends.html
@@ -1277,7 +1277,7 @@ <h4 class="title custom-margin">Contact Us</h4>
     <div class="gtranslate_wrapper"></div>
     <script>window.gtranslateSettings = { "default_language": "en", "detect_browser_language": true, "wrapper_selector": ".gtranslate_wrapper" }</script>
     <script src="https://cdn.gtranslate.net/widgets/latest/float.js" defer></script>
-
+    <script src="./assets/js/year.js"></script>
 </body>
 
 </html>