diff --git a/README.md b/README.md
index 3c277b8..cd277d7 100644
--- a/README.md
+++ b/README.md
@@ -189,6 +189,13 @@ The function can also be provided with these _optional_ arguments:
    1. [sessionToken](https://en.wikipedia.org/wiki/Session_ID)
    2. [ssoToken](https://en.wikipedia.org/wiki/Single_sign-on)
 2. It also modifies the `session` object, which now includes parameters for the logged-in session. This `session` object can be utilized for further navigation within the ERP system.
+3. `ROLL_NUMBER` is made available for further usage in the following manner.
+   ```python
+    import iitkgp_erp_login.erp as erp
+    sessionToken, ssoToken = erp.login(headers, session)
+
+    print('Roll Number =', erp.ROLL_NUMBER)
+   ```
 
 <div id="login-usage"></div>
 
diff --git a/src/iitkgp_erp_login/erp.py b/src/iitkgp_erp_login/erp.py
index d3a8583..f5f247c 100644
--- a/src/iitkgp_erp_login/erp.py
+++ b/src/iitkgp_erp_login/erp.py
@@ -14,6 +14,7 @@
 requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
 logging.basicConfig(level=logging.INFO)
 sessionToken = ""
+ROLL_NUMBER = ""
 
 class ErpLoginError(Exception):
     pass
@@ -21,6 +22,7 @@ class ErpLoginError(Exception):
 
 def login(headers, session, ERPCREDS=None, OTP_CHECK_INTERVAL=None, LOGGING=False, SESSION_STORAGE_FILE=None):
     global sessionToken
+    global ROLL_NUMBER
     ssoToken = None
     if len(sys.argv) == 1 and sys.argv[0] == '-c':
         caller_file = None