The affected districts are Chirang, Morigaon, Nagaon and Golaghat where 137 villages are hit, a report by Assam State Disaster Management Authority (ASDMA) said here.
Around 61,000 people of five districts were affected by the deluge yesterday.
However, landslide was reported at Sontila Gorubari Road in Dima Hasao hill district damaging health centres there, the ASDMA said.
The devastating third wave of floods in the state has so far claimed 74 lives across the state.
Hundreds of wild animals, including rhinos and deer, also died in Kaziranga National Park and Pobitora Wildlife Sanctuary because of the flood.