Shammi Narang was selected from among 100,000 candidates into Doordarshan and became the ‘face of Doordarshan news reading’ and Indian Television during the 1970s – 80s. He was a master or high quality voice and unique style. Even today, he is a very popular and successful voice artist. All Hindi in-train and in-station voice messages and announcements of the Delhi Metro, Rapid Metro Rail Gurgaon, Mumbai Metro, Bangalore Metro and the upcoming Hyderabad Metro Rail and Jaipur Metro are also recorded in his voice.
Source and Credit :- http://abhisays.com/doordarshan/revisiting-20-old-doordarshan-news-readers-and-anchors.html and https://www.youtube.com/watch?v=abXKdVcf8dQ