The bandh was observed in Jehanabad, Arwal, Lakhisarai districts and rural areas of Patna district since early morning and the supporters blocked the national highway between Jehanabad and Arwal and Patna-Gaya by setting ablaze tyres at several places and pelting stones at passing vehicles.
The Bihar government will recommend a CBI probe into the killing of Singh alias Mukhiyaji if his family members wanted it, ruling allaince partner BJP said.
"The state government has no problem in recommending a CBI probe," state BJP president C P Thakur and state Animal Husbandry Minister Giriraj Singh told reporters.
However, Singh's family members have reposed their trust in the state government and its investigative agency to carry out the probe to its logical conclusion and bring to justice those who killed the Ranvir Sena chief, they said.
The bandh supporters also disrupted train services for hours by placing boulders on railway tracks on the Patna-Gaya route, officials said.
They set on fire a tea shop and looted others before beating up the shopkeepers in Ratni block in Jehanabad district and hurled stones at the Zila Nagar Parishad office. (MORE)