fix: Added validation for student DOB can not be greater than Joining Date
diff --git a/erpnext/education/doctype/student/student.py b/erpnext/education/doctype/student/student.py
index 99c4c0e..ae8f3a2 100644
--- a/erpnext/education/doctype/student/student.py
+++ b/erpnext/education/doctype/student/student.py
@@ -25,6 +25,9 @@
 		if self.date_of_birth and getdate(self.date_of_birth) >= getdate(today()):
 			frappe.throw(_("Date of Birth cannot be greater than today."))
 
+		if self.date_of_birth and getdate(self.date_of_birth) >= getdate(self.joining_date):
+			frappe.throw(_("Date of Birth cannot be greater than Joining Date."))
+
 		if self.joining_date and self.date_of_leaving and getdate(self.joining_date) > getdate(self.date_of_leaving):
 			frappe.throw(_("Joining Date can not be greater than Leaving Date"))