diff -r 7f4c51382f89 -r 2adb90f9e287 day1/Session-4.nav
--- a/day1/Session-4.nav	Wed Oct 07 00:50:06 2009 +0530
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,62 +0,0 @@
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