Rohtas district is one of the thirty-eight districts of Bihar state, India. It came into existence when Shahabad District was bifurcated into Bhojpur & Rohtas in 1972. The Rohtas district is a part of Patna Division, and it has an area of 3850 km over the river Ganges at Patna. Nehru Setu, the railway bridge is the second longest railway bridge in India. The district is also home to the Rohtasgarh fort, which was one of the strongest forts in the medieval age. The district is currently a part of the Red Corridor.
Ranchi , Patna , Jamshedpur , Dhanbad , Gaya , Bhagalpur , Biharsharif , Arrah , Bokaro , Katihar , Darbhanga , Dumka , Hilsa , Chapara , Sasaram
