In India, river dolphins are found in ______________ river.

Correct option is A

Sol. In India, river dolphins are found in Ghaghara River.
· Ghaghara River: This major tributary of the Ganges River is home to the endangered Ganges River Dolphin (Platanista gangetica). Its population in the Ghaghara has been declining due to various threats, but conservation efforts are underway.
· The Godavari River is the largest river system in Peninsular India.
· The Godavari Basin extends over the States of Maharashtra, Andhra Pradesh, Chhattisgarh and Odisha in addition to smaller parts in Madhya Pradesh, Karnataka and Puducherry.
· The Luni River originates from Nag Pahar or Naga hills in the Ajmer district of Rajasthan. Luni originates in the Pushkar valley of the Aravalli Range near Ajmer and passes through the southeastern portion of the Thar Desert. It ends in the marshy lands of Rann of Kutch in Gujarat.
· The Krishna River originates in the Western Ghats near Mahabaleshwar at an elevation of about 1,300 metres (4,300 ft), in the state of Maharashtra in central India.