Central Pollution Control Board (CPCB) has published the official answer key notice for the 2025 recruitment exam conducted for multiple posts including Scientist B, MTS, Data Entry Operator, LDC, Assistant, and others. The recruitment drive aimed to fill a total of 69 vacancies. The online application process was open from April 7 to April 28, 2025, and the written examination took place on June 21 and 22, 2025. Candidates who appeared for the exam can now download the CPCB Answer Key 2025 using the direct link provided below.
Important Dates
- Notification Release Date: 07 April 2025
- Application Start Date: 07 April 2025
- Last Date to Apply: 28 April 2025
- Last Date for Fee Payment: 28 April 2025
- Admit Card Release Date: 10 June 2025
- Exam Dates: 21 – 22 June 2025
- Answer Key Release Date: 16 July 2025
Stay updated with all CPCB recruitment events to ensure you don’t miss any critical deadlines.
Read More: Eastern Railway RRC Apprentice Recruitment 2025: Apply Online
Application Fee
CPCB Recruitment 2025 – Examination Fee Structure
For 1-Hour Test:
- General / OBC / EWS: ₹500/-
- SC / ST: ₹150/-
- All Female Candidates (Any Category): ₹150/-
For 2-Hour Test:
- General / OBC / EWS: ₹1000/-
- SC / ST: ₹250/-
- All Female Candidates (Any Category): ₹250/-
Payment Mode:
Examination fees must be paid online through Debit Card, Credit Card, Net Banking, UPI, or other available digital payment methods. Cash payments are not accepted.
CPCB Various Post Notification 2025 : Age Limit
CPCB Recruitment 2025 – Age Limit (As on 28 April 2025)
- Minimum Age: 18 Years
- Maximum Age for Other Posts: 27 Years
- Maximum Age for Scientist B: 35 Years
- Maximum Age for Assistant Law Officer, Assistant Accounts Officer, Senior Scientific Assistant, Technical Supervisor, Assistant, and Accounts Assistant: 30 Years
Note: Age relaxation will be applicable as per CPCB recruitment rules and government guidelines.
👉 Use the Age Calculator Tool to check your eligibility.
CPCB Various Post 2025 : Vacancy Details
Total Posts : 69 Posts
| Post Name | No. of Post |
| Scientist B | 22 |
| Assistant Law Officer | 01 |
| Senior Technical Supervisor | 02 |
| Senior Scientific Assistant | 04 |
| Technical Supervisor | 05 |
| Assistant | 04 |
| Accounts Assistant | 02 |
| Junior Translator | 01 |
| Senior Draughtsman | 01 |
| Junior Technician | 02 |
| Senior Laboratory Assistant | 02 |
| Upper Division Clerk (UDC) | 08 |
| Data Entry Operator Grade II | 01 |
| Stenographer Grade II | 03 |
| Junior Laboratory Assistant JLA | 02 |
| Lower Division Clerk | 05 |
| Field Attendant | 01 |
| Multi-Tasking Staff (MTS) | 03 |
CPCB Various Post Bharti 2025 : Educational Qualification
| Post Name | Eligibility | ||
| Scientist B | Graduation Degree in Engineering / Technology in Civil / Chemical / Environmental / Computer Science / IT OR Post Graduation in Chemistry All Branches / Environmental Science. | ||
| Assistant Law Officer | Graduation Degree in Law with Experience . | ||
| Senior Technical Supervisor | Graduation Degree in Instrumentation OR Electronics Engineering3 Year Experience. | ||
| Senior Scientific Assistant | Post Graduation Degree in Science with Experience. | ||
| Technical Supervisor | Graduation Degree in Instrumentation Engineering with Experience. | ||
| Assistant | Graduation Degree in Any Stream with Computer Typing 35 wpm / Hindi 30 wpm | ||
| Accounts Assistant | Graduation Degree in Commerce with Experience. | ||
| Junior Translator | Post Graduation Degree in Hindi / English / Any Subject with Hindi OR English at Degree Level.Diploma / Certificate in Translation2 Year Experience. | ||
| Senior Draughtsman | Graduation Degree in Civil Engineering with 3 Year Experience. | ||
| Junior Technician | Diploma in Electronics with Experience. | ||
| Senior Laboratory Assistant | 12th Intermediate Exam Passed with Science with Experience. | ||
| Upper Division Clerk (UDC) | Graduation Degree in Any Stream with Computer Typing in English 35 wpm OR Hindi 30 wpm within 10 Minutes | ||
| Data Entry Operator Grade II | 12th Intermediate Exam Passed in Any Stream with 8000 Key Depressions Per Hour for Data Entry Work | ||
| Stenographer Grade II | 12th Intermediate Exam Passed from Any Recognized Board in India.Dictation : 10 Min at 80 WPMTranscription : 50 Min English On Computer OR 65 Min Hindi on Computer | ||
| Junior Laboratory Assistant JLA | 12th Intermediate Exam Passed with Science from Any Recognized Board in India. | ||
| Lower Division Clerk | 12th Intermediate Exam Passed with Computer Typing in English 35 wpm OR Hindi 30 wpm within 10 Minutes. | ||
| Field Attendant | 10th High School Passed from Any Recognized Board in India. | ||
| Multi-Tasking Staff (MTS) | 10th High School Passed from Any Recognized Board OR ITI Certificate in Electrician / Plumber / Fire & Safety / Pump Operator | ||
CPCB Various Post Online Form 2024 : Mode of Selection
The selection process for CPCB Various Posts includes the following stages:
Online Examination – Computer-based test to assess subject knowledge and aptitude.
Interview (Viva-Voce) – For selected posts, candidates will be shortlisted for a personal interview.
Document Verification – Final stage to verify original documents and eligibility claims.
Candidates must qualify in each stage as per the CPCB guidelines to be considered for final selection.
How To Download CPCB Various Post Answer Key 2025
- Click on the “Download Answer Key” link provided in the Important Links section below.
- A new page will open where you need to enter your Roll Number/Application Number and Date of Birth (DOB).
- After submitting the required details, your answer key will be displayed on the screen.
- Download and save the PDF file for future reference.
- Alternatively, candidates can also download the answer key directly from the official CPCB website at www.cpcb.nic.in.
🔗 Important Tip: Always keep a printed copy of your answer key and exam details for future use.
Important Links
| Download Answer Key | Click HereLink Activate On 16 July 2025 | ||||||
| Download Answer Key Notice | Click Here | ||||||
| Download Admit Card | Click Here | ||||||
| Download Exam Date Notice | Click Here | ||||||
| Apply Online | Click Here | ||||||
| Download Notification | Click Here | ||||||
| Sarkari Exam Mobile App | Click Here | ||||||
| Join WhatsApp Channel | Click Here | ||||||
| Join Telegram Channel | Click Here | ||||||
| Official Website | Click Here |
Frequently Asked Questions
When was the CPCB Answer Key 2025 released?
The CPCB Answer Key 2025 was officially released on 16 July 2025.
How can I download the CPCB Various Post Answer Key 2025?
You can download the answer key by visiting the official website www.cpcb.nic.in or using the direct link provided in the “Important Links” section. Login using your Roll Number and Date of Birth to access it.
Which posts are covered under the CPCB 2025 Answer Key?
The answer key is available for multiple posts, including Scientist B, Assistant, MTS, LDC, DEO, Technical Supervisor, Assistant Law Officer, and others.
Can I raise objections to the CPCB Answer Key 2025?
Yes, CPCB usually allows candidates to raise objections within a specified window. Check the official notice for objection dates and guidelines.
Is there any fee to raise objections against the answer key?
Yes, a nominal fee may be charged per question. Details will be mentioned in the objection notification issued by CPCB.
What is the next step after the answer key is released?
After evaluating the objections (if any), CPCB will release the final answer key, followed by the result declaration and further selection rounds (interview or document verification, as applicable).
What should I do if there is a discrepancy in my answer key?
Immediately raise an objection through the official portal with valid proof/documentation during the objection window.
Conclusion
The release of the CPCB Various Post Answer Key 2025 marks a crucial step in the recruitment process. Candidates who appeared for the exam on 21–22 June 2025 can now evaluate their performance using the official answer key published on 16 July 2025. It is advised to download the answer key promptly and raise any valid objections within the stipulated time frame.