About 4 million people have been displaced in South Asia due to The heavy constant rain in the area.
At least 189 people have died and dozens are missing in India, Nepal and Bangladesh, officials said.
In the northeastern Indian state of Assam, over 2.75 million people have been displaced by three waves of floods since May, according to a state government official.
“The flood situation remains critical with most of the rivers flowing menacingly above the danger mark,” Assam water resources Minister Keshab Mahanta told Reuters. Some 79 people have died in the state.
Authorities said the floods have also killed more than 100 animals in Assam’s Kaziranga National Park, home to an estimated 2,500 rare one-horned rhinos.
In Bangladesh, at least 2.6 million people have been affected by overflowing rivers, with at least 67 people killed over the last two weeks. Authorities said up to 40% of the low-lying country could be inundated.
Authorities in both Bangladesh and Nepal have cautioned that rising waters could lead to further flooding.
The annual monsoon season between June and September often triggers flooding and landslides, increased number of deaths in the region each year.