UPSC Civil Services DAF (Mains) Online Form 2021  Union Public Service Commission (UPSC) has announced notification for the recruitment of Civil Service (Prelims) Exam 2021 vacancies on permanent basis. UPSC Civil Services DAF (Mains) Online Form 2021 details are given below. Posts : 712 DAF (Mains) Dates: Starting Date to Apply Online: 22-11-2021 Last Date to