Correct option is B
K. V. Chowdary was a 1978 batch officer of the Indian Revenue Service (IRS). Before his appointment as CVC, he served as the Chairman of the Central Board of Direct Taxes (CBDT). He had a distinguished career in tax administration and was known for his integrity and commitment to public service. He served as the Central Vigilance Commissioner (CVC) of India from June 2015 until his term ended in June 2019. He was appointed by a selection committee headed by the Prime Minister, with members including the Leader of the Opposition and the Home Minister.