CPCB Answer Key 2025 OUT: The Central Pollution Control Board (CPCB), under the Ministry of Environment, Forest & Climate Change, has released the answer key for the online examination conducted for various posts including LDC, UDC, Scientist ‘B’, Assistant Law Officer, and more. The exam was conducted on 21 and 22 June 2025.
The answer key is available on the official recruitment website i.e. onlineapp.iitd.ac.in. Candidates can download the CPCB Response Sheet and Answer Key directly through the portal
CPCB Answer Key 2025 Link
The link to download the answer key is given in this article below. The answer key is released in a format where the candidate’s responses are shown alongside the correct answer from the master question paper. Students can check their recorded responses and estimate their probable scores using this sheet.
OFFICIAL ANSWER KEY NOTICE PDF
CPCB Answer Key Download Link: onlineapp.iitd.ac.in
How to Download the CPCB Answer Key 2025?
The answer key is released on 16 July 2025. Candidates can download the CPCB Response Sheet and Answer Key by following the steps below:
- Visit the Official Website: Go to onlineapp.iitd.ac.in.
- Login to the Portal: Use your credentials to log into the portal.
- View Your Response Sheet: Click on the link to view your answer sheet and master question paper.
- Download and Save: Open the file, verify your answers, and save it for future reference.
Also Read: ICSI CSEET July 2025 Result OUT Today, Download Scorecard at icsi.edu
CPCB Answer Key Objection Details 2025
If any candidate has an objection regarding any question or answer, they can raise an Online Answer Key Objection through the CPCB portal. The window to submit objections is open from 16 July 2025, 00:01 Hrs to 17 July 2025, 23:59 Hrs. A fee of Rs. 1000 per question is to be paid by the candidate for each objection submitted.
- Only one PDF file (max. 500 KB) per question can be uploaded as reference material.
- Objections without proper references will not be considered.
- Objections submitted via email, phone, or post will not be accepted.
- If the challenge is found to be valid, the fee will be refunded.
How to Challenge the CPCB Answer Key?
Candidates can challenge the answer key if they find discrepancies in the provided answers. CPCB will examine the raised challenges, and if found valid, changes will be made. Only challenges submitted through the official portal will be considered. The final answer key will be released after reviewing all objections, and no further appeal will be entertained post-final decision.
How to Calculate Marks Using CPCB Answer Key?
Candidates can use the CPCB answer key to estimate their marks by following these steps:
Step 1: Download the response sheet and master answer key from the official portal.
Step 2: Compare your recorded responses with the correct answers.
Step 3: Assign marks as per the marking scheme.
Step 4: Subtract marks for wrong answers if negative marking is applicable.
Step 5: Total your score.
FAQs
Q1. When was the CPCB Answer Key 2025 released?
A: The CPCB Answer Key was released on 16 July 2025.
Q2. Can I challenge the CPCB Answer Key?
A: Yes, candidates can raise objections online from 16 to 17 July 2025 by paying Rs. 1000 per question.
Q3. Where can I check my CPCB response sheet and answer key?
A: The response sheet and answer key are available at onlineapp.iitd.ac.in.
Q4. Is the answer key final?
A: The current answer key is provisional. The final answer key will be published after reviewing all objections.