Mangu Singh

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Dr. Mangu Singh (born 15 December 1955) was the managing director of Delhi Metro Rail Corporation, He took over after Dr.E. Sreedharan, the former managing director, retired from service on 31 December 2011, he retired on 31 March 2022, succeeded by Vikas Kumar. He is an Indian Railways Service of Engineers (IRSE) officer of the 1981 batch. Provided by Wikipedia