The Odisha Staff Selection Commission (OSSC) has released the provisional answer key for the Combined Higher Secondary Level (CHSL) mains exam 2023. Candidates can review the key on the official website and raise objections if needed by March 22, 2024. The recruitment aims to fill 354 vacancies across various positions. A total of 1,235 candidates qualified for the mains exam, with further selection dependent on performance in both prelims and mains exams.