A maximum of 19 NDRF teams have been deployed in Bihar, followed by 12 in Assam, a spokesperson of the force said. Heavy rainfall in the catchment areas of the Gandak river in Nepal has led to the discharge of excess water from the Valmikinagar barrage in West Champaran district, flooding parts of north Bihar. Aajtak correspondent Rohit Kumar went in the village of Bihar. Watch this ground report.