In the UPSC Indian Forest Service, there is a specific age limit of 21 to 32 years, and every aspirant must clear this exam along with the Civil Services Preliminary Exam; UPSC even looks at their degree.
Age relaxation increases this upper age limit to 35 years for the OBC category and 37 years for SC and ST categories of candidates, and this very slab of age will determine the number of attempts.
As the general category and EWS category have 6 attempts, the OBC category has 9 attempts, and SC/ST have unlimited attempts provided they are within this age slab.
Who Can Apply for the UPSC IFoS Exam?
The candidate must be an Indian citizen and 21 years old by the cutoff date but must not be older than 32 years old at the same time. and meet nationality requirements.
The UPSC sets the cutoff at August 1 of the examination year; therefore, if you want to take the exam in 2026, your age should be from August 2, 1994, until August 1, 2005.
| Category | Maximum Age | Relaxation |
|---|---|---|
| General / EWS | 32 years | None |
| OBC (non-creamy layer) | 35 years | 3 years |
| SC / ST | 37 years | 5 years |
| General / OBC PwBD | 42 years | 10 years |
| SC / ST PwBD | 47 years | 15 years |
An OBC person qualified as an ex-serviceman gets relaxation under both categories, which makes him/her aged more than 35 years.
Educational Qualification for IFoS
The UPSC requires an applicant to have a degree from a recognized university, and the said degree should include one of these subjects: Animal Husbandry and Veterinary Science, Botany, Chemistry, Geology, Mathematics, Physics, Statistics, or Zoology.
A degree holder in Agriculture, Forestry, and Engineering is considered eligible irrespective of having any of the subjects mentioned above. A simple commerce or arts degree will not make you eligible unless it includes one of those specific subjects.
Candidates appearing in their final year can attempt Prelims provisionally. However, proof of passing the qualifying examination must be produced while submitting the Detailed Application Form (DAF-I) for the IFoS Mains Examination, which occurs months before the interview stage.
Number of Attempts Allowed For IFoS Exam
The number of attempts follows the same line of categories as that of age relaxation. An attempt is counted by UPSC only if a candidate appears for one of the papers in the Preliminary examination; otherwise, no attempt is used up just by appearing in the exam.
| Category | Permitted Attempts |
|---|---|
| General / EWS | 6 |
| OBC | 9 |
| SC / ST | Unlimited, within the age limit |
| PwBD (General / OBC) | 9 |
| PwBD (SC / ST) | Unlimited, within the age limit |
Physical and Medical Standards for IFoS
IFoS officers live mostly in forest areas, and therefore UPSC conducts tougher physical tests compared to those of IAS. This medical test is conducted after the interview process and before the release of the final merit list.
| Standard | Male | Female |
|---|---|---|
| Chest (expanded) | 84 cm, with 5 cm expansion | 79 cm, with 5 cm expansion |
| Vision (better eye) | 6/6 or 6/9 | 6/6 or 6/9 |
| Vision (worse eye) | 6/9 or 6/12 | 6/9 or 6/12 |
| Colour vision | No high-grade colour blindness | No high-grade colour blindness |
Physical requirement for IFoS:
- Male Candidates: Must cover a distance of 25 km within 4 hours by walking/running.
- Female Candidates: Must cover a distance of 14 km within 4 hours by walking/running.
Chest Expansion & Vision:
Male Candidates: Minimum height of 163 cm (152 cm for candidates from specified scheduled tribes/hilly areas).
Female Candidates: Minimum height of 150 cm (145 cm for specified relaxed categories).
Candidates are required to pass an auditory test where they will be asked to pick up a forced whisper from over six meters distance in a silent room. A condition such as night blindness automatically disqualifies a candidate, while short-term deafness does not.
Required documents for Exam Application
Required documents are the degree certificate and mark sheets showing the qualifying subject, Proof of date of birth from 10th certificate or equivalent, Category Certificate if the candidate belongs to SC, ST, OBC, EWS, or PwBD, a medical certificate of fitness, eligibility certificate for non-citizens, and proof of identity, scanned photograph, and signature.
Clearing the Preliminary examination does not mean the eligibility scrutiny is done. The UPSC re-verifies all details when filling up the Detailed Application Form for Mains.
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Conclusion: Maximum Age For UPSC IFoS Eligibility Is 32
The UPSC IFoS 2026 notification, released on February 4, 2026, provides information about exam dates, vacancies, and eligibility. Even missing one condition, such as the right qualification or age will result in disqualification at some later stage of the selection procedure.
The SC/ST category is provided with the maximum time to be eligible, as they can appear an unlimited number of times until 37 years of age. This makes planning the preparation for candidates from SC/ST much easier than for others.
Prelims, Mains, and Interview clearances are not sufficient. It is essential to meet the prescribed medical standards too. This means that medical fitness and qualification are as important as the result of exams.
FAQs
The starting salary of an officer in the Indian Forest Service (IFoS) is ₹56,100 per month. The combined salary after adding DA and HRA comes out to be ₹85,000 to ₹1,00,000 per month. The salary varies with experience and grade and can go as high as ₹2,25,000 per month in basic salary for the Head of Forest Force.
Yes. UPSC allows provisional registration, but the candidate must submit proof of a completed degree with the required subject before the interview round wraps up.
No, IFoS (Indian Forest Service) is not equal to IAS (Indian Administrative Service), though both are elite All-India Services under Article 312 of the Indian Constitution and share the same preliminary examination.
General/EWS category will get 6 attempts, the OBC/PwBD category gets 9 attempts, and there is no attempt limit for SC/ST categories.
