"The flood situation in Rayagada and Kalahandi districts is improving".
Mr Patnaik said the government had sought the help of Army and pressed the IAF helicopter in the relief and rescue operation as large number of people need to be evacuated from their houses submerged by the flood waters.
Heavy rainfall for the past three days in neighbouring Odisha has resulted in flash floods in Srikakulam and Vizianagaram districts of Andhra Pradesh.
Even as relief operations continue, the state is now keeping a close watch on the health situation, with outbreaks of disease an expected outcome of the current calamity.
"The government has started air-dropping of food packets for the marooned people at Majhiguda, Kumbharguda, Brahmana Sahi, Kumbharsahi and Sai Nagar in Rayagada district", an official said, adding the district administration had also started serving cooked food to the people taken shelter in schools.
Stating that the state control room in the SRC office is tracking the situation, Patnaik said the ODRAF, fire service and CRPF were on the spot for undertaking rescue and relief.
Heavy rains on Saturday night caused flash floods in Rayagada and Kalahandi districts on Sunday affecting about 50,000 people.
The flood water is flowing above the Rayagada?
Odisha is staring at a major flood this monsoon after over 520 mm rainfall in the past 24 hours in Kalahandi and Rayagada districts flooded most parts of the two districts with one person dying in a landslide.
An East Coast Railway (ECoR) official said train services have been severely affected along the Rayagada-Titlagarh railway section as a bridge between Theruvali and Singapur Road Railway stations was washed away.
Office of Special Relief Commissioner said a low pressure area had formed over northwest Bay of Bengal of north Odisha and the system is likely to further intensify into depression.