Hello,

If you meant Indian Forest Service Officer, then definitely choosing science stream is only option in order to appear for the exam, the reason being the eligibility criteria clearly defines that only candidates who have done BTech or Bachelor's Degree in Agriculture/Forestry or passed bachelor's degree with one of the subject such as animal husbandry & veterinary science, botany, zoology ,chemistry, geology, mathematics, physics, statistics are eligible to apply, the age limit is between 21 to 32 years, relaxation in terms of age criteria is provided to reserved categories, to know more details regarding this, visit our page at https://competition.careers360.com/exams/upsc-ifs