Will the IIT JEE Advanced 2013 results be used by other institutions as well? If yes, when will we come to know about these institutes?

Yes, the IIT JEE Advanced 2013 results will indeed be used by other institutions for offering admissions to different courses. The names of these institutes are yet to be displayed on the official website of IIT. Once the names have been released, you can see them on askiitians.com as well.   For more details, visit http://www.askiitians.com/iit-jee/jee-advanced/2013/counseling/.