The UPSC has released its examination calendar for 2027. Civil Services (Preliminary) Examination will take place on May 23, 2027, while Civil Services (Main) Examination will begin from August 20, 2027. NDA & NA (I) and CDS (I) exams are scheduled for April 11, 2027, while NDA & NA (II) and CDS (II) will be conducted on September 19, 2027.