The caste system, despite legal prohibitions and socio-economic changes, continues to persist in India due to a complex interplay of various factors. At its core, endogamy, or marriage within one's own caste, remains a powerful mechanism for maintaining caste boundaries and purity, ensuring the perpetuation of caste identity across generations. This is often reinforced by the deeply ingrained concepts of ritual purity and pollution, which dictate social interactions and hierarchies, making inter-caste mixing challenging and often stigmatized.

Economically, the historical Jajmani system, though weakened, has left a legacy of occupational specialization and economic interdependence tied to caste, where certain castes are traditionally associated with specific occupations, limiting social mobility. Furthermore, religious sanctions and traditional beliefs, often interpreted to justify the hierarchical structure, continue to hold sway in many communities, particularly in rural areas. The rise of caste-based political mobilization has also paradoxically strengthened caste identities, as groups organize along caste lines to demand reservations, resources, and political representation, thereby reinforcing their distinctiveness.

Socially, discrimination and prejudice against lower castes, particularly Dalits, persist in various forms, including access to housing, public spaces, and employment, despite anti-discrimination laws. The lack of effective implementation of anti-caste laws and rehabilitation programs, coupled with a general lack of awareness among marginalized communities about their rights, further contributes to its continuity. Finally, cultural practices and traditions, including festivals, rituals, and even dietary habits, often remain caste-specific, serving as constant reminders and reinforcers of caste identity. These factors collectively ensure the enduring, albeit evolving, presence of the caste system in contemporary Indian society.