The affected districts are Lohit, Lower Dibang Valley, Changlang, East Siang and parts of Papum Pare district, the sources said, adding, one person has died in the floods.
At least 39 marooned people, including 12 children in the district, who were stranded between the branches of Lohit river since four days were rescued by Indian Air Force last evening, Lohit Deputy Commissioner R K Sharma said.
Seventy five persons were also rescued at Sunpura yesterday with the help of country boat from Lapsing village, he said.
Surging waters of Tezu Nallah, Sukha Nallah and Dening Nallah following torrential rain for the last several days has inundated Tezu township partially.
Several government offices including power, metrology, legal, SSA block research centre, DPO and PWD along with government quarters have been half submerged in flood waters, sources said.
The flood situation in Lower Dibang Valley district continues to be grim with rains showing no signs of stopping. Road communication continued to be disrupted from Sadiya and Tezu as well, effectively cutting the district from the rest of the country, they said.
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The flood situation in Changlang districts also remained unchanged with many areas flooded at Bordumsa and Diyun circles of the district.
In East Siang districts, landslides were reported in several areas disrupting surface communication.
Sagalee sub-division in Papum Pare district is reeling under damages caused by incessant rainfall in the past weeks, the sources added.