As you want I am here giving you info about the number of attempts in Indian Forest Service exam of Union Public Service Commission (UPSC) for a candidate .

Number of attempts:
General candidates:
four attempts.

Scheduled Caste and Scheduled Tribe candidates:
No restriction.

Other Backward Classes:
Seven attempts

Eligibility for Indian Forest Services

Nationality:
(a) A citizen of India, or
(b) a subject of Nepal, or
(c) a subject of Bhutan, or
(d) a Tibetan refugee

Age Limits:
21 years -30 years

Educational Qualifications:

Candidate must hold a Bachelor’s degree with at least one of the following subjects:
Animal Husbandry & Veterinary Science,
Botany,
Chemistry,
Geology,
Mathematics,
Physics,
Statistics and Zoology,
Agriculture,
Forestry,
Agriculture Engineering,
Forestry Engineering.

Scheme of Examination
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 EngineeringForestry
Geology
Mathematics
Mechanical Engineering
Physics
Statistics
Zoology