new delhi the union public service commission has released the combined defence services examination i 2018 result on its website candidates who have appeared for the examination can check their cdse 2018 results from the official website click here to check your cdse 2018 result pdf the upsc has prepared a list of candidates who obtained the minimum qualifying marks in the written examination as fixed by the commission in their discretion this examination is conducted to recruit officers in army navy air force upsc conducts this examination twice in a year for the recruiting officers in the indian army air force and navy twostage selection procedure based on psychological aptitude test and intelligence test has been introduced at service selection boards candidates are declared successful on the basis of scores they got in the written exam and intelligence and personality test at the service selection board based on their preference by the respective service hqto be acceptable candidates had secured the minimum qualifying marks separately in i written examination and ii ssb test as fixed by the commission and service selection board respectively in their discretion the candidates would be placed in the order of merit on the basis of the total marks secured by them in the written examination and in the ssb tests every candidate for the air force and naval aviation is given pilot aptitude test only once the grade secured by him at the first test cpss andor pabt will therefore hold good for every subsequent interview at the air force selection board those who have failed indian navy selection boardcomputer 15 pilot selection system cpss andor pilot aptitude battery test earlier and those who habitually wear spectacles are not eligible for air force