UPSC aspirants stage protest at Mukharjee Nagar to Rajghat in Delhi demanding compensatory attempts in UPSC Civil Services Exam for those who suffered due to the CSAT exam pattern. Students who took up the UPSC Civil Services Pre Exam 2011 allegedly found some sections of the paper to be difficult. Seven years ago in 2011, the government introduced Civil Services Aptitude Test in Union Public Service Commission Prelims, which according to many, was implemented to favour students from English medium and Engineering background. Know more about this civil services aptitude test watch video.