Planning Commission has delineated 15 agro-climate region which were proposed to form basic for agricultural planning for the

The Planning Commission of India divided the country into 15 agro-climatic zones based on regional characteristics like soil type, rainfall, temperature, and water resources. This regional approach was thoroughly integrated into agricultural planning starting from the Eighth Five-Year Plan ($1992\text{–}1997$), though initial framework formulations began during the mid-term appraisal of the Seventh Plan.