A. the Vindhya range
B. the Aravallis
C. the Nilgiri hills
D. the Satpwas
✅ The correct answer is option A.
The main dividing line between the geological regions of the Indo Gangetic plain and the peninsula is the Vindhya range.
The main dividing line between the geological regions of the Indo Gangetic plain and the peninsula is the Vindhya range.