While Shivakumar will take part in the march on Saturday and Sunday, Siddaramaiah will join on August 29.
No casualties were reported in the collapse of the Aguwani -Sultanganj bridge that connects Bhagalpur with Khagaria district, said state government officials.
The portion of the bridge that collapsed was located over Khagaria in Bhagalpur, with a tributary of the river Ganga flowing beneath it.
A Bihar man has been appointed assistant professor in the same university where he worked as a peon.
Production at three of the seven power generating units of NTPC at Kahalgaon in Bhagalpur district was stopped following inadequate supply of coal to the plant, a senior NTPC official said.