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Context: The Environment Ministry informed the Lok Sabha that no Karnataka proposal for environmental clearance of the Mahadayi diversion is under consideration, and that the National Board for Wildlife (NBWL) has not approved forest diversion for the Kalasa Nala scheme in the Kali–Sahyadri tiger corridor.
What is the Mahadayi River?
A west-flowing inter-state river in peninsular India, known as the Mandovi River in Goa. It is the primary lifeline of Goa, flowing through the rugged Western Ghats before discharging into the Arabian Sea.
Origin and Course
| Aspect | Detail |
|---|---|
| Origin | A cluster of 30 springs in the Bhimgad Wildlife Sanctuary, near Degao/Khanapur in Belagavi (Belgaum) district, Karnataka, in the Western Ghats |
| Total length | About 117 km |
| Mouth | Drains into the Arabian Sea at Panaji (North Goa), through the Mormugao and Aguada bays |
| States | Karnataka, Maharashtra, Goa |
Major Tributaries
In Karnataka:
- Kalasa Nala and Banduri Nala — the key streams in Karnataka’s Kalasa-Banduri drinking water project
In Goa:
- Bail Nala
- Pansheer Nala
- Andher Nala
- Khandepar River
- Ragada River
- Mapusa River
