Guwahati, March 4 -- India's first comprehensive dolphin population survey has revealed a total of 6,324 Gangetic dolphins across the Ganga and Brahmaputra river basins, with 635 of those residing in Assam's Brahmaputra River system.

The survey, conducted between 2021 and 2023, covered 8,406 kilometers of the Ganga and Brahmaputra river basins, including their tributaries, and a 101-kilometer stretch of the Beas River.

The results, released by Prime Minister Narendra Modi during the 7th meeting of the National Board for Wildlife at Gir National Park on Monday, highlight the distribution and status of this endangered species.

According to the report, the estimated dolphin population in the surveyed rivers is 6,234, with a range of 5,977...