The Green Revolution, introduced in India in the mid-1960s, was a package of agricultural innovations including high-yielding varieties of seeds, chemical fertilizers, pesticides, and improved irrigation facilities, primarily aimed at achieving food self-sufficiency. While it successfully transformed India from a food-deficit nation to a food-surplus one, its implementation and benefits were not uniformly distributed, leading to significant socio-economic changes, including the emergence of a new power elite in rural India.

Formation of a New Power Elite:

1. Disproportionate Benefits: The Green Revolution technologies were capital-intensive and required assured irrigation. Consequently, large and medium-sized farmers with access to land, capital, and irrigation facilities in regions like Punjab, Haryana, and Western Uttar Pradesh were the primary beneficiaries. Small and marginal farmers, tenant farmers, and those in rain-fed areas often lacked the resources to adopt these technologies and were largely left out of the economic boom.

2. Increased Economic Disparities: The disparity in access to resources led to a widening gap between the rich and poor farmers. The affluent farmers accumulated significant wealth, which they often reinvested in agriculture, diversified into other businesses, or used to acquire more land. This economic power translated into social and political dominance.

3. Consolidation of Land and Resources: The increased profitability of agriculture encouraged larger farmers to consolidate their landholdings, sometimes at the expense of smaller farmers who were forced to sell their land due to debt or inability to compete. This led to a concentration of land and other agricultural resources in the hands of a few.

4. Political Empowerment: The newly enriched agrarian class gained significant political clout. They formed powerful farmer lobbies and pressure groups that influenced government policies, agricultural pricing, subsidies, and credit facilities in their favor. Their economic strength allowed them to contest and win elections at local (Panchayati Raj institutions), state, and even national levels, thereby becoming a dominant force in rural politics.

5. Caste and Class Nexus: Often, the beneficiaries of the Green Revolution belonged to dominant land-owning castes. The economic prosperity further reinforced their traditional social status and political power, creating a powerful nexus of caste and class that controlled rural resources and decision-making processes. This led to the marginalization of lower castes and landless laborers, who often remained dependent on the new elite for employment.

6. Shift in Rural Power Dynamics: The traditional power structures, which might have been based purely on caste or feudal relationships, began to incorporate economic strength as a crucial determinant of power. The 'new rich' farmers, often from intermediate castes, challenged the traditional dominance of upper castes in some regions, creating a more complex, yet still hierarchical, power structure.

In conclusion, while the Green Revolution was vital for India's food security, it undeniably contributed to the formation of a new power elite in rural India. This elite, primarily comprising large and prosperous farmers, leveraged their economic gains to consolidate social and political power, exacerbating existing inequalities and reshaping the agrarian landscape and power dynamics in the countryside.