Assam’s flood death toll has topped 100, with over 700,000 people displaced and 1.2 million impacted overall as the scale of the disaster becomes clearer.
About 2,700 villages have been destroyed, with Sivasagar district in upper Assam among the areas hit hardest, along with Mon district across the border in Nagaland.
The floods followed heavy rainfall in the Naga Hills between July 18 and 20, which set off sudden surges in tributaries flowing into Assam’s lowlands.
A local vlogger described the destruction, saying trees as tall as 30 to 40 metres fell from the hills and that homes had been completely wiped out, calling it “a tsunami.”
Government officials have cited excessive rainfall and climate change as the main causes, while opposition legislators and researchers argue unregulated riverbed mining has worsened the impact.
Among the tragic accounts is one involving two friends of different faiths who died together, after a Hindu man drowned trying to rescue a Muslim woman swept up in the floodwaters.
Deforestation data shows Nagaland lost 14 percent of its tree cover between 2002 and 2025, with Mon district among the worst affected, a factor experts say has worsened runoff into Assam’s rivers.
Government officials have attributed the scale of the disaster primarily to unusually intense rainfall and climate change, while opposition legislators have pushed back, blaming unregulated mining operations.
The Brahmaputra river’s heavy sediment load steadily weakens embankments over time, and nearly 40 percent of Assam’s total land area is considered vulnerable to flooding in a typical monsoon season.
Assam floods almost every year during the monsoon, but this year’s disaster was unusual in that floodwaters from cloudburst-driven tributary surges arrived before the Brahmaputra itself reached peak levels, catching low-lying areas off guard.
The worst-hit districts include Sivasagar, Charaideo, Jorhat and Golaghat in upper Assam, along with Mon district across the border in neighbouring Nagaland.
Photo by EU Civil Protection and Humanitarian Aid, Wikimedia Commons, CC BY-SA 2.0
