Union Home Minister Rajnath Singh will undertake an aerial survey of flood-hit Kerala tomorrow to take stock of the situation in the southern state. Singh, accompanied by Tourism Minister He will review the search, rescue and relief measures taken by the Kerala government and central government agencies with Chief Minister Pinarayi Vijayan, Ministers of the state government, the Chief Secretary besides the senior officers of the central agencies and the state administration, the statement said. In a telephonic conversation yesterday, Singh had assured Vijayan all central help to the state government to deal with the rains and floods. During the current South-West monsoon season, various parts of the Kerala reported to have been affected by heavy rains and rain-oriented calamities of varying degrees. As many as 14 teams of NDRF consisting of 404 rescuers and 31 boats were already deployed in various parts of flood-hit districts – So far, the NDRF teams have rescued seven people and evacuated 398 others and 12 livestock, the statement said. In view of possible inundation, NDRF teams are kept on standby in vulnerable locations and keeping close vigil over the development of situation. Additional teams are also kept as standby at nearest NDRF station at Arrakonnam in Tamil Nadu and will be mobilised, if required. Director General, NDRF is supervising the ongoing rescue operations. Besides the NDRF, adequate columns of Army, Navy and Coast Guard, helicopters of Indian Air Force, Navy and Coast Guard are deployed in Kerala for assisting the state administration in lifting and dropping of essential commodities.