Which of the following are not functional regions?
(A) Middle Ganga Plain
(B) National Capital Region
(C) Malwa Plateau Region
(D) Kolkata - Howrah Conurbation
Choose the most appropriate answer from the options given below:1
(A), (B) only
2
(A), (C) only
3
(B), (C), (D) only
4
(A), (B), (C) only