Explanation:

- Human Capital Formation: This involves improving the workforce's education, skills, and health. Investments in education and training can drive development in rural areas by enhancing productivity and employment opportunities.

- Land Reforms: These are policies aimed at redistributing land to ensure more equitable land ownership. In rural India, land reforms can help reduce poverty by providing land to those who do not have it and ensuring better use of land resources.

- Poverty Alleviation: This encompasses various programs and schemes designed to uplift the poor, such as improving access to resources, credit, and employment. These initiatives are crucial for rural development by raising living standards.

- All of these: Each of these initiatives plays a significant role in the development of rural India by addressing different aspects of economic and social development.