Margazhi kolam contest entries are published. You can access the page from the top menu - "Contests".
http://www.ikolam.com/margazhi-kolam-contest-2012
These are the entries which were submitted by using the "Upload for contests" option (and not "Upload rangoli"). If you had submitted your entry using "Upload rangoli", please upload it again by choosing the "Upload for contests" menu, in case you're still interested in participating.
In reply to Yes, we were aware of the by Lata
In reply to Please delete the below link by vijaysowmya
In reply to Lata I have uploaded the by dibbutn
In reply to Thanks Pushpa, I just by Lata