Well as you want to apply for the Indian Forest Service job the n you have to fulfill the following requirements

Age-limits

21-30 Years on 1st July of the year of examination


Qualification

A Bachelor’s degree with at least one of the subjects namely, Animal Husbandry & Veterinary Science, Botany, Chemistry, Geology, Mathematics, Physics, Statistics and Zoology or a Bachelor’s degree in Agriculture or Forestry or Engineering of a recognised university or equivalent.

Written Examination - Conventional (essay) type

Paper I - General English 300 Marks

Paper II - General Knowledge 300 Marks

Paper III, IV, V & VI - Any two subjects to be selected from the list of optional subjects
set out below. Each subject will have two papers. 200 Marks for each paper

Total marks for written examination 1400 Marks

List of optional subjects

Agriculture

Agricultural Engineering

Animal Husbandary & Veterinary Science

Botany

Chemistry

Chemical Engineering

Civil Engineering

Forestry

Geology

Mathematics

Mechanical Engineering

Physics

Statistics

Zoology