[1] The Kothavalasa–Kirandaul line was opened in 1966–67 under S E Railway with financial aid of Japan for transporting iron ore and costed 55.32 crore.
[2] This line passes hill sections of Eastern Ghats through Araku Valley.
The maximum route km being in Chhattisgarh and Andhra Pradesh with Odisha taking 3rd position.
[4] The Kothavalasa–Kirandul section is classified as a Group E-special class line in which speed should be below 100 km/h.
[5] This line is mainly used for freight purposes which is a huge profit benefitting Waltair Division.