Five columns of the Army have so far been requisitioned and are assisting in the relief operations, defence official said.
The Centre on Tuesday released grant-in-aid of Rs.251.55 crore to the state government as the first installment while Union Minister Gajendra Singh Shekhawat had an aerial survey.
In the last several days, torrential rains have wreaked havoc across the country particularly in the eastern and north-eastern parts.
All major rivers, including the Brahmaputra, were in a spate, flowing above the danger level at various places including Guwahati.
The NDRF teams are continuously engaged in assisting the local administration in rescue and relief work.
The flood situation in Assam worsened on Sunday with the death toll rising to 11 and nearly 26.5 lakh people affected.
Around 62 relief camps have been set up for relief and rescue purpose with lakhs of people from 25 districts being affected by the advent of floods in the state.
Over 10.42 lakh animals are affected, while flood waters have also entered 87,607 hectares of farmland.
The deaths were reported from Jorhat, Dhubri and Barpeta districts. With these, the death toll has risen to 11 in flood and landslides, triggered by incessant rains.
NDRF and the SDRF have been pressed into service in the flood-affected areas for search and rescue operations.
The victims were identified as Rinchin Lhamu and Genden Wangmu, both aged ten years. Another girl, Sange Pema (12), was seriously injured and she was admitted to the District Hospital in Tawang.
Massive landslides occurred in Arunachal Pradesh where one person has remained missing following Monday’s cloudbursts in West Kameng district.
The authorities set up two relief camps in Chirang and one each in Nalbari and Jorhat where over 900 people were lodged.
As some work of the updation of NRC involving the verification of documents of applicants is yet to be completed, NRC authorities were not sure about meeting the deadline.
Thirty-seven more persons perished in flood-hit Bihar, where over 1.46 crore people are still affected.