Azygia species (Looss, 1899) (Digenea: Azygiidae) was collected as a freshwater eel, Mastacembelus armatus Central India. The specimen is characterized by having ventral sucker smaller than oral sucker, vitelline fields arises close proximity of the ventral sucker and extends up to the tips of intestinal caeca, gonads positioned in the posterior last quarter region of the body. Testes symmetrical, tandem and saucer shaped. Ovary is median, pre-testicular while bipartite cirrus sac is pre-acetabular. This is the first morphometric description on this rarely occurring trematode from the Bhopal region and new species proposed as A. bhopalensis n. sp.