The National Disaster Response Force (NDRF) has positioned 122 teams in 20 states to tackle the flood and heavy rain situation during the ongoing monsoon season. A maximum of 19 teams have been deployed in Bihar, followed by 12 in Assam, a spokesperson of the force said. The death toll in the Assam floods rose to 87 as the situation due to the calamity remained unchanged with 24.19 lakh people affected in 24 districts. Watch video.