List of Optional Subject for Indian Forest Service (IFS) Main Exam 2014
(i) Agriculture
(ii.) Agricultural Engineering
(iii) Animal Husbandry & Veterinary Science
(iv) Botany
(v) Chemistry
(vi) Chemical Engineering
(vii) Civil Engineering
(viii) Forestry
(ix) Geology
(x) Mathematics
(xi) Mechanical Engineering
(xii) Physics
(xiii) Statistics
(xiv) Zoology
(i) Agriculture
(ii.) Agricultural Engineering
(iii) Animal Husbandry & Veterinary Science
(iv) Botany
(v) Chemistry
(vi) Chemical Engineering
(vii) Civil Engineering
(viii) Forestry
(ix) Geology
(x) Mathematics
(xi) Mechanical Engineering
(xii) Physics
(xiii) Statistics
(xiv) Zoology