The correct answer is: A. Karmnasa-Son Doab
The Karmnasa-Son Doab is a region in the Indian state of Bihar that is frequently affected by drought like situation every year. The region is located between the Karmnasa and Son rivers, and is characterized by its dry and arid climate. The region is also home to a number of small villages, which are often the hardest hit by droughts.
The Son-Kiul Doab is a region in the Indian state of Bihar that is located between the Son and Kiul rivers. The region is characterized by its fertile soil and its abundance of water resources. The Son-Kiul Doab is home to a number of major cities, including Patna, Gaya, and Bhagalpur.
The Ganga-Diara region is a region in the Indian state of Bihar that is located along the banks of the Ganges River. The region is characterized by its fertile soil and its abundance of water resources. The Ganga-Diara region is home to a number of major cities, including Patna, Bhagalpur, and Munger.
The East-Central Bihar plain is a region in the Indian state of Bihar that is located in the eastern part of the state. The region is characterized by its fertile soil and its abundance of water resources. The East-Central Bihar plain is home to a number of major cities, including Patna, Gaya, and Bhagalpur.
The Karmnasa-Son Doab is the most likely region of Bihar to be affected by drought like situation every year. This is because the region is located in a dry and arid climate, and is home to a number of small villages that are often the hardest hit by droughts.