Hi Ashok,
Many thanks for helping on getting the Export in the print template. I have one more favour - Sorry to keep bugging you.
I am trying to get the same field exported in the CSV export. (http://www.woothemes.com/products/ordercustomer-csv-export/)
Let me know if you would like to see the .php for this file.
Thanks again.
E
Also - Someone did it here
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http://ideas.woothemes.com/forums/133476-woocommerce/suggestions/2307476-export-orders-to-csv
http://wordpress.org/extend/plugins/order-delivery-date-for-woocommerce/