MHA assigns ministries to monitor and manage natural and man-made disasters across India. Ministry of Earth Sciences : Provides early warning for heat waves, lightning, tsunamis, hailstorms and heavy rainfall. : Provides early warning for heat waves, lightning, tsunamis, hailstorms and heavy rainfall. Ministry of Jal Shakti : Oversees floods, glacial lake outburst floods and urban floods (excluding early warning). : Oversees floods, glacial lake outburst floods and urban floods (excluding early warning).