Arup Roy Choudhury took over as the chairman and MD of NTPC on Wednesday in New Delhi. A civil engineer from BITS with a post-graduation in management from IIT, Mr Roy Choudhury started his career in 1979 and worked in prominent public and private sector companies such as RITES, IRCON and DLF. He was earlier CMD, National Buildings Construction Corporation (NBCC), and was also elected the chairman of Standing Conference of Public Enterprises (SCOPE), an apex professional organisation representing the Central Public Sector Enterprises of India with membership of 198 Enterprises.