He took charge at Shastri Bhawan office, New Delhi in the presence of senior officials of Coal Ministry.
He took over the charge of Secretary after the position fell vacant after superannuation of Susheel Kumar ,an IAS officer of UP cadre, 1982-batch on April 30 this year. In the interim, Secretary Mines, Anil G Mukhim (IAS:1985:Gujarat cadre) had been holding additional charge as Secretary, Coal.
Prior to this appointment as Coal Secretary, Singh was posted as Secretary (Coordination) in Cabinet Secretariat.
He is a Ph.D in Economics from Panjab University. In the past he has also held positions in Ministry of Commerce, MNRE at the Centre and other significant portfolios in the State cadre.