Union Public Service Commission (UPSC) Civil Services Aptitude Test Preliminary examination conducted on 12th June 2011. There are more than 2 Lacs candidates appeared for this IAS, IPS Examination. Candidates can check the answer key for Paper 2 in this page. There are 80 objective type questions with A Series, B Series, C Series and D Series answer keys are available online.
To check the CSAT Civil Service Aptitude Preliminary examination 2011 key for paper 2 you can visit the following link.