KBC 2023| Which of the following is not a public sector company? KBC 2023, Check the answer to the question- Which of the following is not a public sector company? By Himani Budakoti - November 1, 2023 KBC 2023, The options of the question – Which of the following is not a public sector company? A. HAL B. BHEL C. Indian Oil D. Air India The answer is D. Air India.