Hello,

The offcial website of Cbse provides the materials to the students for practice. You can visit the site to get the papers for all the subjects and for previous years as well. The website also has model paper to help the students in examination preparation. The link for the official website is as follows:

http://cbse.nic.in/newsite/examination.html

The latest paper of this year would be available in few weeks or months on the official website as the paper has just finished so it will take time for the management to cover all the papers of all the subjects and then upload it together.