Best CDS Coaching In Lucknow Best CDS Coaching In Lucknow: CDSE – Stands for Combined Defence Service Examination. Every year UPSC i.e. Union Public Service Commission conducts CDS paper twice a year for the recruitment of Commissioned Officers in the Tri-service of Indian Armed Forces. As the name suggests it is a Combined Defence Service is a commissioned level examination for joining Indian Army, Indian Navy & Indian Airforce as an Officer by the courses carried out by Indian Military Academy, Indian Air Force Academy, Indian Naval Academy and Officers training Academy Both Male and Female candidates can apply for