Bihar BPSC Assistant Environmental Scientist AES Recruitment 2025 – Apply Online

Bihar Public Service Commission (BPSC)

Assistant Environmental Scientist AES Recruitment 2025

Advt No.: 88/2025

Important Dates

• Application Start Date: 27/08/2025
• Last Date To Apply: 19/09/2025
• Last Date Of Fee Payment: 19/09/2025
• Form Correction Date: N/A
• Admit Card Date: Before the exam
• Exam Date: Notify Soon

Application Fees

• General / OBC / EWS: ₹100/-
• SC / ST / PH: ₹100-
• Pay the application fees online using debit card, credit card, net banking or UPI

Age Limit

Age As On Date: 01/08/2025

• Min Age: 21 Years
• Max Age: 37 Years
• Age relaxation extra is applicable as per the rules of BPSC AES Recruitment 2025

Age Relaxation

Category	Maximum Age (including relaxation)
General (Male)	37 years
General (Females)	40 Years
BC/EBC (Male & Female)	40 years
SC/ST (Male & Female)	40 years
PwBD	10 years extra on above limits
Bihar Govt. Employees	5 years extra (but max 60 years)
Contract Employees	No upper age limit (after 3 yrs service with certificate)
Ex-Servicemen	3 years + service period (max 57 years)
Special Case (Govt. Resolution 22.01.2021)	10 years extra

Vacancy Details

Total Posts: 17

Category	Total Posts	Estimated Total Posts for Women (35% Horizontal Reservation)
Unreserved	07	02
Economically Weaker Section	02	00
Scheduled Caste	02	00
Scheduled Tribe	00	00
Extremely Backward Class	03	01
Backward Class	03	00
Backward Class Women	00	00
Total	17	03

Eligibility Details

• Postgraduate degree (Master’s degree) in Chemistry, Life Science, Environmental Science, or Physics.

Selecton Procedure Assistant Environmental Scientist

1. Basis of Selection
The selection will be based on a Written Examination and an Interview (Oral Test).

2. Written Examination

• Total Marks: 400
• Pattern: Objective (Multiple Choice Questions)
• Papers:

Paper	Subject	Nature	Questions	Duration	Marks
Paper I	General Studies (Part-I: 50 marks, Part-II: 50 marks)	Objective	100	2 Hours	100
Paper II	One Optional Subject (Physics / Chemistry / Environmental Science / Life Science)	Objective	100	2 Hours	300
Total	—	—	200	4 Hours	400

• Negative Marking: 0.33 (one-third) marks deducted for each wrong answer.
• If more than one option is marked, it will be considered wrong (even if one is correct).
• No penalty for unanswered questions.
• Minimum Qualifying Marks: General: 40%, BC: 36.5%, EBC: 34%, SC/ST, Women, PwBD: 32%

3. Preference for Contractual Experience

• Candidates with experience on a contractual basis in the same post under State Departments/Institutions will get additional marks.
• Weightage: 5 marks per completed year of satisfactory service (maximum 25 marks).
• Fractional service will be calculated proportionately (based on days worked till 19.09.2025).
• Experience certificates must be issued by the competent authority (Member Secretary/Controlling Officer).
• These marks will be added only after securing minimum qualifying marks in the written exam.

4. Interview (Oral Test)

• Candidates qualifying in the written exam (including contractual weightage) will be called for Interview.
• Number of candidates called = 2.5 times the number of vacancies.
• Candidates securing equal cut-off marks in a category will all be called.
• Interview Marks: 50
• Presence in the interview is mandatory. Absence will disqualify the candidate from the merit list.

5. Final Merit List

• Prepared on the basis of Written Exam Marks, Contractual Experience Marks (if applicable), and Interview Marks.
• Tie-Breaking Rules:
  1. Candidate with higher marks in Written Exam will be preferred.
  2. If still tied, the older candidate will be preferred.
  3. If age is also the same, preference will be given alphabetically (in Devanagari script).
• No Revaluation: There is no provision for rechecking/revaluation of the answer sheets.