[Unregistered]

I have completed the process of filling the application form via online.when i was asked to check my application status by typing my application form no. Being c26121699,i received the statement saying "this application form is not received by iit guwahati".but i am from karnataka .when i downloaded my application form i saw that the adress to whom i should send my form was to madras.plz tell me how to submit my form when i receive the page containing the contents ;download section and apllication status?