Mahanadi River:
State-owned Oil and Natural Gas Corporation (ONGC) spudded the first deepwater appraisal well in the Mahanadi offshore basin recently
- Mahanadi River is one of the major east-flowing peninsular rivers located in the states of Chhattisgarh and Odisha.
- It is the third-largest peninsular river after the Godavari and Krishna.
- It originates from the Sihawa Hills in Dhamtari district, Chhattisgarh.
- It begins as a collection of small streams in the Dandakaranya foothills and initially flows northward before turning eastward into the plains.
- Before joining the Bay of Bengal at False Point through several channels near the major seaport town of Paradip, the river enters the plains of Odisha near Cuttack and forms a delta.
- Close to one of its mouths is the famous pilgrimage site of Puri.
- Farther up the coast is Konark, the site of an ancient temple dedicated to the sun.
- The river is bounded in the north by the Central India hills, in the south and east by the Eastern Ghats, and in the west by the Maikal hill range.
- The Mahanadi basin extends over the states of Chhattisgarh and Odisha and comparatively smaller portions of Jharkhand, Maharashtra, and Madhya Pradesh.
- It passes through several major cities and towns, including Raipur, Sambalpur, and Cuttack.
- It is considered to be one of the most active silt-depositing streams in India.
- The main tributaries of Mahanadi are Seonath River, Jonk River, Hasdeo River, Mand River, Ib River, Ong River and Telen
- Major Dam : Hirakud Dam (Odisha)
