Floods affect over 250,000 people in 1,400 villages in 10 districts of Odisha
Heavy rains in the upper and lower catchment areas of the Mahanadi cause the river to overflow its banks
Dams have also been breached, a top official said.
Special Relief Commissioner PK Jena said 24,000 hectares of agricultural land had been destroyed.
40 out of 64 sluice gates of Hirakud Dam have been opened.
More than 700 boarders were rescued after the school collapsed in the district
Officials said the flood has also entered agricultural areas and is flowing over bridges.