Qualifications: Degree in Natural Sciences; Mathematics; Statistics; Geology; Mechanical/Civil/Chemical Engineering or Agriculture or equivalent foreign qualifications. Graduates with Pure Mathematics or Statistics, must have taken one of the following subjects in their Higher. Sec./Matriculation: Biology, Physics, Chemistry. Science graduates with Economics and Mathematics are also eligible.

Age: 19-28 years. Relaxable by 5 years for SC/ST candidates. In case of Departmental candidates, i.e., trained Rangers in Government Service, age should not be less than 19 years and not
more than 29 years. For ex-servicemen the upper age limit is 37 years

Subjects for Examination: Compulsory: 

· Essay in English 
· General Knowledge
· Mathematics (Matriculation or equivalent standard).

Optional: Any two of the following: 

· Botany 
· Physics Chemistry 
· Zoology 
· Geology 
· Mathematics 
· Forest Economics 
· Statistics 
· Agriculture 
· Mechanical Engineering 
· Civil Engineering 
· Chemical Engineering