Ralla Vagu River

Origin : Ralla Vagu  or Rallavagu River is a tributary of Godavari River originates near the village Dondla is located in Tiryani Mandal of Kumuram Bheem Asifabad District in the State of Telangana.
Outflow : Godavari River
Length : Around 40 Km
Districts : Mancherial.
Mandals : Kasipet, Mandamarri
Start : Dondla Village
End : Godavari, Mancherial

Devapur Vagu or Salpal Vagu or Salpala Vagu stream, which originates near Devapur village, Kasipet mandal, Mancherial district, Telangana.
Length : Around 25 kms

Palavagu or Pala Vagu stream, which originates near Akenipalle Village, Mandamarri mandal, Mancherial district, Telangana to form the Rallavagu which drains into the Godavari after flowing for 11 km.
Length: around 20 kms

The Rallivagu Reservoir Project is a medium irrigation project across Ralivagu, a tributary of Godavari River. The project is located near Mulakalla village(6 Km from Mancherial Town) of Mancherial mandal in Mancherial district. The catchment area 50.74 Sq Miles. Reservoir capacity is 11.57 Mcum, which is having two main canals to irrigate an ayacut of 3280 acres.

Dharmaraopet Lake is located on Rallavagu in Dharmaraopet village, Kasipet Mandal of Mancherial District in the State of Telangana in India.