Raj Kumar Singh is a former Indian bureaucrat and the current Minister of State in the Government of India.
He is Member of the Indian Parliament since May 2014. Singh is a 1975 batch Bihar cadre Indian Administrative Service officer and former Home Secretary of India.
On 30 October 1990, when district magistrate of Samastipur, he arrested L. K. Advani, a senior figure in the Bharatiya Janata Party (BJP), while Advani’s Ram Rath Yatra was en route to Ayodhya in Uttar Pradesh from Somnath in Gujarat.
The arrest was made by order of the Lalu Prasad Yadav government.