How many agro-climatic zones (ACZ) are characterised by the Planning Commission of India?

15

The correct answer is Option (2) → 15

The Planning Commission of India has categorized India into 15 agro-climatic zones (ACZ) based on the varying agro-climatic conditions across different regions of the country. These zones are identified to help in the planning and implementation of agricultural development programs and policies tailored to the specific needs of each zone.