During the telephonic conversation, Kumar briefed Singh about the latest situation in the state.
"The Centre is rushing additional NDRF teams to Bihar to help the ongoing rescue and relief operations in the flood affected region of the state," Singh said in a tweet.
A home ministry official said that as many as seven teams of National Disaster Response Force (NDRF), comprising 45 personnel in each, have already reached the affected areas in Bihar.
Recently, two persons died in a rain-related incident in Bihar where the Met officials have forecast heavy to very heavy rainfall in the coming days.
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