"All the deaths were due to wall collapse and drowning," Special Relief Commissioner P K Mohapatra said.
The low pressured induced rains led to fresh floods in Budhabalang river in Mayurbhanj district with water gushing into district headquarters town of Baripada and 50 villages, official source said.
In Khurda district, breaches occurred near Patapur, Manikapur, Achutarajpur and Srinibaspur of Banapur area after the Salia Dam overflowed, the sources said.
The very heavy rainfall damaged 96 distribution transformers of the Central Electricity Supply in the district.
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The state government was hopeful that the situation would improve soon as the severity of the week-long rains had started declining in most areas.
"Though most parts of coastal Odisha are experiencing rain, the intensity has reduced and the situation will gradually improve," Revenue and Disaster Management Minister Surya Narayan Patro said.
In a sign of relief to the people of Ganjam, major rivers like Rusikulya, Godahada and Vansadhara were now flowing below the danger mark.
The rain had affected relief and rescue operations in several areas, particularly Ganjam, Gajapati and Nayagarh districts, the sources said.
Over 2.29 lakh people have been evacuated so far and provided cooked food or dry rations.
The emergency food assistance was being provided for three days to the rain-affected people, they said.
Train services were affected due to submergence of tracks in Andhra Pradesh beyond Visakhapatanam leading to cancellation of about 13 trains.
Among trains cancelled were the Bhubaneswar-Tirupati Express, Bhubaneswar-CST Mumbai Konark Express, Bhubaneswar- Yashwantpur Express, railway sources said.