Heavy rains lashed Avalanche for the past three days with rainfall measuring 405 mm, 820 mm and 911 mm on August 6, 7, 8, respectively.
A total of 36 people working in the state power utility unit and general public caught in the rains in Kattukuppai have been rescued and steps have been taken to drop food packets to 40 persons in Avalanche.
According to Palaniswami, National Disaster Response Force (NDRF), State Disaster Response Force (SDRF), army, police and fire service officials have been deployed in rescue efforts.
The Chief Minister said in order to prevent the spread of disease medical teams including mobile medical units have been despatched in the area.
He said requests have been made to Indian Air Force (IAF) in Sulur to be ready for carrying out rescue efforts.
The Chief Minister has announced an ex gratia of Rs 10 lakh each to the family of the deceased.