An expert in Linguistics, Culture Studies, Translation and Creative Writing, Singh is currently the Dean, Faculty of Arts, Amity University Haryana and a Chair-Professor. He was the Director of CIIL, Mysore and Pro-Vice-Chancellor of Visva-Bharati, Santiniketan. Singh had set up the National Translation Mission and the Linguistic Data Consortium for Govt of India at Mysore and Centre for Applied Linguistics and Translation Studies (CALTS) at Hyderabad. He taught at Hyderabad (1987-2000), Visva-Bharati (2000-2009), University of Delhi (1985-87), South Gujarat (1981-85) and in the MSU-Baroda (1979-81).With seven collections of poems in Maithili and Bangla, six books of literary essay, besides twelve plays in Maithili – he has translated/edited 16 books and published 250 research papers. He also designed and created 545 documentaries on language, literature and culture of Bangla, Tamil, Kannada and Marathi. He received many awards and honors, including the coveted Sahitya Akademi Award 2017 for poetry.