Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Adhir Ranjan Chowdhury -  Adhir Ranjan Chowdhury (born 2 April 1956) was born in a Bengali family is currently a member of the 15th Lok Sabha of India. He represents the Berhampore constituency of West Bengal and is a member of the Indian National Congress (INC) political party. He is Minister of State for Railways since 28th Oct 2012.
Office Holder