The LJP workers observed "black day" to protest the killing of party activists, including its Sheohar District President Sanjay Pandey.
They wore black badges and brought a protest march in the state capital.
Dalit Sena Chief and former MP Ramchandra Paswan addressed the party workers at J P roundabout here.
Paswan accused Nitish Kumar of "failing" to establish rule of law in Bihar and checking the atrocities on women, dalits and other backward castes people.
The protest march was brought out at different places in Bihar by the LJP workers in Saharsa, Madhubanuii, Supaul, Begusarai, Munger, Lakhisarai, Bhagalpur, Motihari, Bettiah.
