The Central Pollution Control Board has released the provisional answer key for its 2025 recruitment exam covering Scientist B, MTS, and several other posts. Candidates who appeared for the written test can now access the official answer key, which was published around 12 July 2025. The recruitment drive includes positions such as Scientist B, Assistant Law Officer, Senior Technical Supervisor, Senior Scientific Assistant, and Technical Supervisor, each requiring specific educational backgrounds and relevant experience. Applicants can use the answer key to estimate their scores and evaluate their performance. If any discrepancies are found, candidates are allowed to submit objections within the stipulated time frame, typically accompanied by a fee. The selection process involves written exams and further stages as per the board's guidelines. This answer key release is an important step for candidates awaiting their results and preparing for subsequent phases of recruitment.