The UPSC conducts the civil services examination.

Singh is a former IPS officer of the 1986 batch from the Bihar cadre.

He was appointed as the Director General of the CISF, a paramilitary force that provides security to airports and other sensitive institutions across the country, in November 2021. He retired from the central agency in August 2023.

Singh has had a long tenure in the Intelligence Bureau, the country’s internal counter-intelligence agency. He served there as Additional Director and Special Director.

The IPS officer has also served in the Indian High Commission in Dhaka, Bangladesh, as First Secretary.