The following map shows four of the sixteen Mahajanapadas that existed in ancient India: [1997]
The places marked A, B, C and D respectively are:
1) Matsya, Cedi, Kosala, Anga
2) Surasena, Avanti, Vatsa, Magadha
3) Matsya, Avanti, Vatsa, Anga
4) Surasena, Cedi, Kosala, Magadha
3) Matsya, Avanti, Vatsa, Anga