The story
The Delhi Metro Rail Corporation Ltd. was created on 3 May 1995 with E. Sreedharan serving as its first managing director. Sreedharan handed over charge as managing director of the DMRC to Mangu Singh on 31 December 2011.
To mark its 10th anniversary in 2010, Delhi Metro introduced an 8 coach train for the first time. A commemorative souvenir book titled "Delhi Metro: A Decade of Dedication, 10 Years of Metro Operations" was also released. An exclusive 'METRO SONG-zindagi hai Delhi metro' composed by music director Vaibhav Saxena was also released and played at metro stations and FM stations.
From Wikipedia’s article on Delhi Metro Rail Corporation, shared under CC BY-SA 4.0.5