The Indus has defined the inhabitants of regions east of the Indus since at least the last 4000 years. In Avestan, the word Hendu denotes a natural frontier, a river, and Hapta Hendu was an ...

India's first population estimation of riverine dolphins has revealed 6,327 dolphins in the Ganga, Brahmaputra, and Indus River systems. The census was part of 'Project Dolphin', covering over ...