He served as the Director General of the National Disaster Response Force (NDRF) from 2014 to 2016. During his tenure, the NDRF conducted several search and rescue operations in response to natural disasters in India and Nepal, notably during the Nepal earthquake in April 2015.

Singh has also held positions in the Special Protection Group, responsible for the Prime Minister's security, and the Central Reserve Police Force (CRPF), dealing with internal security. He was the Additional Director General (Airport Sector) in the Central Industrial Security Force (CISF), overseeing security at 59 airports and vital installations. His efforts in managing the Ardh Kumbh Mela in Allahabad and resolving disputes between Shia and Sunni communities in Lucknow were recognized by the Uttar Pradesh Government.

His awards include the Indian Police Medal for Gallantry, Indian Police Medal for Meritorious Service, Police Special Duty Medal, Disaster Response Medal, President’s Police Medal for Distinguished Service, and the Distinguished Leadership Award for Disaster Resilience by the All India Council of Human Rights, Liberties & Social Justice in 2015.

His latest book 'Crime, Grime and Gumption: Case files of an IPS officer' is now out. Order your copy here: https://www.amazon.in/Crime-Grime-Gumption-Files-Officer/dp/0143464167