When is assassin creed revelation pc game release date in India

i preordered it and batman arkham city in flipkart arkham city date to be realeased in india is today but assassin creed revelations in flipkart has not yet changed from early december so i expect 8 or 9 dec 2011 it will be released here...and revelations is priced at 850rs if u preorder before the release date and after release date price might rise