UPSC CGS (Prelims) Recruitment 2020 . Union Public Service Commission (UPSC) invites online application for the recruitment of 40 Combined Geo-Scientist Vacancies through Combined Geo-Scientist Examination(CGSE) 2020.The employment details about the posts, age limit, educational  qualification, experience and other conditions are given below as link. The candidates are  requested to go through the details and ensure that they fulfill the…