Vast tracts of land still remained inundated, official sources said.
Besides the 124 people killed in the calamity, 16 others perished in landslides and 17 more were reported missing.
Large-scale destruction of infrastructure, cropland and wildlife have been reported from different areas.
An estimated 24 lakh people have been affected in the worst-ever flood in recent years, causing large-scale devastation in 4,540 villages with more than 9.35 lakh hectares of land lying inundated.
The floodwater has not only submerged 2.55 lakh hectares of cropland but has caused widespread destruction in the world-famous Kaziranga National Park where more than 560 animals, including 14 rhinos, were killed.
The situation in the world's largest river island Majuli is also grim with almost the entire island under water.
Road services have been affected at 2,847 places while railway tracks, damaged by landslides in the Lumding-Badarpur Railway division, were yet to be restored.
An estimated five lakh people have taken shelter in 630 relief camps and 150 medical teams have been deployed to provide medical aid while 30 camps have been set up for cattle, sources said