Dr Singh has worked as Political Editor and Associate Editor with Hindustan (Hindi Daily), Hindustan Times Group; Assistant Editor with Jansatta, The Indian Express Group of newspapers; and was the Executive Editor of Pratipaksha, a fortnightly magazine. He also worked as a media consultant for the Secretariat for Commemoration of the 50th Anniversary of India's independence, Department of Culture, HRD Ministry, Govt. of India.

Dr Singh served as Senior Professor in the Jagran Institute of Management & Mass Communication and Editorial trainer of Dainik Jagran Group of Newspapers (2005-2008). He was Visiting Professor in the Indian Institute of Mass Communication.

He was a Member of the Sub-Committee on Media for Communal Harmony, Ministry of Home Affairs, Govt. of India (1991-93); Member of the Advisory Panel of the Censor Board of film Certification (CBFC), Ministry of Information & Broadcasting, Govt of India; and Jury Member of Media Fellowship: Centre for Science & Environment, New Delhi.

He has participated as a UN delegate in the World Summit on Sustainable Development at Johannesburg, 2002; Seventh World Hindi Conference held in Surinam, 2003; and International Visitor Leadership Programme organised by US Department of State, 2007.

Dr. Singh was also awarded the Sahityakar Samman (2002-2003) for noteworthy contribution in the field of journalism by the Hindi Academy, Government of NCT, Delhi. He is a recipient of the Harmony Award, 1997.