also known as Kapildeo Babu (2 February 1952 – 2 January 2021), was an Indian politician and a former member of the Bihar Legislative Council from Nalanda Local authority constituency.

He also served as a chairperson of Nalanda district council of Bihar in establishment term of Panchayati Raj in 2001 to July 2003.

His elder brother late Mahesh Prasad Singh was in politics; he was the Mukhiya of Pokharpur Panchayat in the 1960s.

Late Kunti Devi, wife of Kapildev Babu's younger brother, has also represented Pokharpur twice from 2006 to 2016.

On the request of the top leadership of BJP, he had appealed to vote for Nitish Kumar's candidate Ram Swaroop Prasad.

Due to which, in the Grand Alliance, LJP gave him the ticket from Asthawan Legislative Assembly[13] and Rashtriya Janata Dal made Raj Ballabh Yadav contest from Nawada.

At that time, under the influence of Nitish Kumar, the grand alliance of R.J.D of Lalu Yadav and Ram Vilas Paswan party L.J.P lost the elections badly.

[14] Later,kapildev singh involved in social work,after sometime he became inactive due to health reasons.

On June 6, 2001, just 4 days before the election of District Council Chairman, "Sudhir Prasad alias Bihari Mahto," a district council member who had won from Bind, along with Tripurari Singh alias "TP Singh Mahto", a notorious criminal of Nalanda, were murdered by other criminals last night.

In that murder, Kapildev Singh's Name started being discussed in the political circles of Nalanda, Nawada and surrounding districts.

Later, in this incident, the names of former Legislative Councilor Raju Yadav, former MLA of Bihar Sharif Pappu Khan and another criminal Bhushan Singh also came under suspicion, as their enmity was going on on many fronts.