More than 4,534,000 residents are affected by the flood in 30 of the 35 districts of the territory.
Over 284,870 people are currently housed in 759 relief camps across the state, according to official figures.
The Brahmaputra and Barak rivers, as well as their tributaries, are overflowing in most regions.
Assam Chief Minister Himanta Biswa Sarma conducted an inspection of the Barak valley and said additional army columns will be sent to Silchar town to rescue stranded residents.
Sarma said Air Force helicopters dropped 30 parcels containing food, water bottles and other essential items in Silchar. In addition, the authorities plan to launch 100,000 bottles of drinking water into the city daily due to the shortage.
Meanwhile, at least 34 people have died in the Indian state of Meghalaya in incidents related to flooding and heavy rain since April 1st.