Singh was born in Mustaffapur in Nalanda district, Bihar to Sukhdeo Narayan Singh and Dukhalalo Devi. He married Girija Singh on 21 May 1982, with whom he has two daughters.[1] His daughter, Lipi Singh, is a 2016-batch IPS officer and second daughter Lata is a Lawyer.[7] He belongs to OBC category.[8]
He initially joined the IRS (income tax) and completed the training. He resigned from the IRS after getting selected in the IAS in the year 1984, he was allotted the Uttar Pradesh cadre. He worked in various roles typical to an IAS officer both in state government and on central deputation.[10]
While working in central deputation he came in contact with Nitish Kumar and worked as his private secretary for 7 years. He worked as Principal Secretary to Nitish Kumar after he was elected chief minister of Bihar in 2005 Bihar Legislative Assembly election. He took voluntary retirement from the Service in 2010 and joined the Nitish Kumar led JD(U) to start his political career.[11]
On 31 October 2024, Singh announced formation of his own political party called Aap Sabki Aawaz. It was formed on the occasion of Diwali and the birth anniversary of Sardar Vallabh Bhai Patel, who is recognised as an icon by the Kurmi community of Bihar. On this occasion, Singh also announced that he will contest in the 2025 Bihar Legislative Assembly election.[12]
Politics
Got elected to Rajya Sabha in June 2010.
Served as Member of Standing Committee on Railway, DOPT, Home.
Served as Member of Consultative Committee on External Affairs and Home.
Joined JDU in 2010. Given the assignment of General Secretary.
Later elevated as General Secretary (Organisation) of JDU.
Served as National President JDU from 27 December 2020 to 31 July 2021.
Took oath as Union Cabinet Minister of Steel, Govt. of India on 7 July 2021.
^Ahmad, Soroor (1 June 2019). "Bihar: JDU leaders unhappy with the new cabinet of Modi Sarkar 2". National herald. Archived from the original on 13 November 2020. Retrieved 31 October 2020. According to JD(U) sources, the party wanted cabinet berths for former bureaucrat and Rajya Sabha member R C P Singh and newly-elected MP from Munger Rajiv Ranjan Singh alias Lalan Singh and MoS status for Purnea MP Santosh Kushwaha.R C P Singh is a Kurmi and also comes from Nitish Kumar's home district of Nalanda, Lalan is a Bhumihar and Santosh a Kushwaha. The party cannot afford to lose the goodwill of any other two castes by nominating only one minister. Thus it deemed it fit not to join the government at all, said a party leader.