For planning your trip to the Independent Days International Filmfest you may use GoEuro. It compares different travel opportunities via bus, by train or plane:
www.goeuro.co.uk/to_karlsruhe
Looking for a HOTEL ROOM? You may find and book hotel rooms on the website of Karlsruhe tourist information. Just fill in your date of arrival and departure to find and "book accomodation":
www.karlsruhe-erleben.de/en
Looking for a RESTAURANT? Find some information here:
www.karlsruhe-erleben.de/en/culinary-delights
If you prefer staying at a youth hostel, you may book your room by using this link on the website of Karlsruhe Tourist Information.
!!!ATTENTION: Please COPY AND PASTE THE LINK below to your browser!!!
http://tportal.toubiz.de/karlsruhe/ukv/?date_unknown=1&doSearch=1&ukv_result_order=1&searchFieldValues[FIT00020070207257302]=Jugendherberge+Karlsruhe&rate=FIT00020070326642716&reset=1