As per geographical area, arrange the following physio- graphic units of India in ascending order
1. Central highlands
2. Great plains
3. Coastal plains
4. Northern Mountains
Select the correct answer using the codes given below.

Correct option is A

The correct ascending order of the physiographic units of India by geographical area, starting with the smallest to the largest, is Coastal plains, Central highlands, Great plains, Northern Mountains. This ordering provides insight into the diverse geographical features that characterize the Indian subcontinent.
 Each region plays a crucial role in the country's ecology, economy, and culture.
 From the fertile coastal plains that support agriculture and fisheries to the expansive northern mountains that are home to the world's highest peaks, these physiographic units contribute to the rich natural and cultural heritage of India.