Rivers which form the Hexadeltaic region of the coastal plains of Odisha are Subarnarekha, Budhabalanga, Baitarani, Brahmani, Rushikulya and

Answer: Option D

The Mahanadi is one of six major rivers of Odisha, India. Most of the potentially arable land in the area is not under cultivation. The coastal plain of Odisha has the name of "Hexadeltaic region" or the "Gift of Six Rivers".