UPSC IFS Pre Exam 2021. Indian Forest Service (Preliminary) Examination, 2021. Last date 24 march 2021 Union Public Service Commission has published notification for the recruitment of Indian Forest Service Exam 2021 vacancy through Civil Services (Preliminary) Examination, 2021. Indian Forest Service Exam Online Form 2021. Qualification : Candidates should possess Bachelor’s Degree (Relevant Disciplines)