The correct option is B-False
Archaeologists have excavated a number of settlements in janapadas, such as Purana Qila in Delhi, Hastinapur near Meerut, and Atranjikhera, near Etah (the last two are in Uttar Pradesh). They found that people lived in huts, and kept cattle as well as other animals.
16 Mahajanapadas of ancient India are Kasi, Kosala, Anga, Magadha, Vajji, Malla, Chedi, Vatsa, Kuru, Panchala, Machcha, Surasena, Assaka, Avanti, Gandhara and Kamboja.