diff --git a/manifest.json b/manifest.json
index 89fc2bd..c9f409c 100644
--- a/manifest.json
+++ b/manifest.json
@@ -2,6 +2,12 @@
     "manifest_version": 2,
     "name": "AIMS-Helper",
     "version": "0.1",
+    "content_scripts":[
+      {
+        "matches":["https://aims.iith.ac.in/aims/"],
+        "js":["/src/captcha/captcha_filler_1.js"]
+      }
+    ],
     "background": {
       "scripts": ["/src/bg/background.js"],
       "persistent":false
diff --git a/src/captcha/captcha_filler_1.js b/src/captcha/captcha_filler_1.js
new file mode 100644
index 0000000..c4244df
--- /dev/null
+++ b/src/captcha/captcha_filler_1.js
@@ -0,0 +1,3 @@
+str = document.getElementById("appCaptchaLoginImg").src;
+captcha = str.slice(str.length-5);
+document.getElementById("captcha").value = captcha;
\ No newline at end of file