The Combined Defense Examination (CDS) 2015 would be held on 15 February 2015 for the recruitment of young aspirants into the Indian Air Force (IAF), Indian Military Academy (IMF) and Indian Naval Academy (INA), and Officers Training Academy (OTA). The examination is at the All India Level conducted by the Union Public Service Commission (UPSC) twice every year. The admit cards for the exam would be issued to the candidates by the commission by the 1st week of February 2015. The registered candidates are required to download their admit cards from the UPSC website after they are released. For More info discuss here.
http://news.entrancecorner.com/2015/01/07/cds-2015-answer-key/