diff -r ee492a4b9ebd -r 1c2d2e702aee sdi/models.py
--- a/sdi/models.py	Sat May 29 10:24:18 2010 +0530
+++ b/sdi/models.py	Sat May 29 10:32:09 2010 +0530
@@ -45,8 +45,8 @@
     knowledge_of_sage = models.CharField(max_length=1, choices=SAGE_KNOWLEDGE_CHOICES)
     tools_used = models.TextField(help_text="Ex: Scilab, Mathematica, Matlab etc.", verbose_name="Other tools used", blank=True)
 
-    address = models.TextField(help_text="To send DVD containing tutorials on Python if required.")
-    phone_num = models.CharField(max_length=15, verbose_name="Phone Number")
+    address = models.TextField(help_text="To send DVD containing tutorials on Python if required.", blank=True)
+    phone_num = models.CharField(max_length=15, verbose_name="Phone Number", blank=True)
 
     likeliness_of_attending = models.CharField(max_length=1, choices=LIKELINESS_CHOICES)