Step 1: Kumarappa is remembered as a close associate of Mahatma Gandhi who translated Gandhian ideas of self-reliance into an economic model.
Step 2: His model centred on strengthening the village economy through small, decentralized, labour-intensive industries rather than large factories or single-commodity "revolutions" like Pink or Yellow Revolution, or a specific crop like bamboo.
Step 3: This decentralized, village-centred industrial approach is exactly what is termed Rural Industrialization. \[\boxed{\text{Rural Industrialization}}\]