India, Aug. 14 -- At least 13 Odisha districts, including several coastal ones, on the banks of the River Mahanadi and its distributaries, are bracing for a flood from Thursday with Hirakud reservoir all set to release its overflowing waters, officials said on Wednesday.

Special relief commissioner Bishnupada Sethi said due to the heavy rainfall in the lower catchments of the Mahanadi as well as the opening of the gates of Hirakud in Sambalpur on Wednesday, about 11.5 lakh cusec of floodwater is likely to be discharged at Mundali from Thursday morning.

"This is likely to cause a medium flood in river Mahanadi and its distributaries. We have deployed 12 ODRAF teams and three NDRF teams in the likely affected districts for rescue and evac...