Gangetic a. : Pertaining to, or inhabiting, the Ganges; as, the Gangetic shark.

Example:
Can anyone please tell me about the Gangetic plains in India?

Taxonomy
the Ganges, Ganges, Bangladesh, Ganga, tributaries, India, Ganges river, dam, banks, rivers, the Hooghly, waters, Hindus, banks of the river, Varanasi, Uttarakhand, elevation, Bay of Bengal.

Defination from the web:
Gangetic Plain at the pilgrimage town of Haridwar. ... The Ganges in Haridwar, Uttarakhand, as it leaves the Siwalik Hills for the Gangetic plain. ...