Introduction

Voting behaviour is influenced by several social, economic, political and psychological factors. In India, caste has historically been one of the important social determinants of electoral politics. It influences political identity, candidate selection, party mobilisation, electoral alliances, political representation and, in certain circumstances, voters’ choices.

The relationship between caste and voting behaviour is rooted in the traditional structure of Indian society, where caste has influenced social status, occupation, access to resources and patterns of social interaction. With the introduction of universal adult franchise and the expansion of democratic politics, caste also became an important basis of political organisation and mobilisation.

However, caste does not determine every individual’s voting choice. Voters also consider political leadership, party performance, economic conditions, welfare programmes, development, ideology and local issues. Therefore, caste should be understood as an important determinant that interacts with other factors rather than as the sole explanation of electoral behaviour.

Meaning and Concept of Caste in Electoral Politics

Caste is a form of social stratification traditionally associated with birth, social hierarchy, inherited occupations and community identity. In electoral politics, caste functions as a basis of political identification, collective mobilisation, representation and competition for political power.

The political significance of caste can be understood through the following concepts:

• Caste identity: The sense of belonging to a particular caste or community.
• Caste mobilisation: Organising members of a caste group to participate in political activities or support particular candidates and parties.
• Caste-based representation: The demand for adequate representation of different caste groups in legislative bodies and political institutions.
• Caste-based electoral alliances: Cooperation among political parties or social groups to consolidate electoral support.
• Vote-bank politics: The assumption or strategy that a particular social group will consistently support a particular political party or candidate.

The concept of a vote bank should be used carefully because caste groups are not politically homogeneous. Their voting preferences may change across elections, regions, constituencies and generations.

Caste as a Determinant of Voting Behaviour

Caste influences voting behaviour through several interconnected mechanisms. Its major dimensions are discussed below.

1. Caste Identity and Political Preference

Caste identity can shape an individual’s political outlook and sense of collective interest. Voters may feel a connection with candidates or parties that are perceived to represent their caste community.

This connection may influence electoral preferences, particularly where caste identity is closely associated with social status, political recognition or historical experiences of discrimination. Nevertheless, caste identity does not necessarily translate into support for a candidate belonging to the same caste.

2. Caste-Based Candidate Selection

Political parties often consider the caste composition of a constituency while selecting candidates. Parties may nominate candidates from influential or numerically significant communities to improve their electoral prospects and appeal to different social groups.

Candidate selection may also be used to demonstrate social representation and create a broader electoral coalition. Thus, caste can influence not only how voters choose candidates but also which candidates political parties decide to nominate.

3. Caste-Based Political Mobilisation

Caste associations, community organisations, local leaders and social networks can play a role in mobilising voters during elections.

Political parties may organise community meetings, public campaigns and outreach programmes to seek support from particular caste groups. Community leaders may also encourage political participation by highlighting common social concerns and demands for representation.

Such mobilisation can influence voter turnout, political awareness and party preferences.

4. Caste and Party Identification

In some regions, particular political parties have historically developed support bases among specific caste groups. These relationships may emerge from ideological commitments, social justice movements, political representation or long-term organisational networks.

For example, the rise of parties associated with Dalit politics and the political mobilisation of Other Backward Classes (OBCs) have influenced the development of party competition in several Indian states.

However, party identification based on caste is not permanent. Changes in leadership, political alliances, welfare policies, governance and electoral issues can alter the relationship between caste groups and political parties.

5. Caste and Electoral Alliances

Caste considerations often influence the formation of electoral alliances. Political parties may attempt to bring together different caste communities to build a wider support base.

Such alliances may involve combinations of historically influential castes, OBC communities, Scheduled Castes, Scheduled Tribes and other social groups. The composition and success of these alliances vary across states and elections.

The strategy of combining different caste groups for electoral purposes is often discussed through the idea of social coalitions or social engineering.

6. Caste and Political Representation

The demand for adequate political representation is another important dimension of caste and voting behaviour. Historically disadvantaged communities have used democratic institutions to demand political participation, equality and social justice.

The Constitution of India provides for reserved seats for Scheduled Castes and Scheduled Tribes in the Lok Sabha and State Legislative Assemblies under Articles 330 and 332, respectively.

These reserved constituencies are designed to ensure representation of these communities. Only candidates belonging to the relevant Scheduled Caste or Scheduled Tribe category may contest from the respective reserved constituency, but voters of all communities who are eligible in that constituency can vote.

Political reservation can therefore influence candidate selection, political participation and the electoral preferences of different social groups. IDEAS/RePEc+1

7. Caste and Social Justice Movements

Social justice movements have played a significant role in connecting caste identity with political participation. Movements against caste discrimination, demands for equality, representation and affirmative action have encouraged political awareness among historically disadvantaged communities.

The Mandal Commission and the implementation of its recommendations in the 1990s significantly influenced the politics of Other Backward Classes (OBCs) in India. The expansion of OBC political mobilisation transformed party competition and the nature of electoral alliances in several states.

Similarly, Dalit political movements have emphasised dignity, equality, representation and constitutional rights as important political concerns.

8. Caste and Local Political Networks

At the constituency and village levels, caste networks may influence political communication, campaigning and voting decisions. Local leaders, community organisations and influential individuals may encourage voters to support particular candidates.

In some circumstances, voters may expect candidates from their own community to be more responsive to their local concerns or more accessible in seeking public services. Such expectations can contribute to caste-based electoral preferences.

However, local political networks also operate through party affiliation, economic interests, personal relationships and development concerns.

9. Caste, Class and Economic Interests

Caste and class frequently interact in shaping voting behaviour. Caste may influence social status and access to opportunities, while class is associated with income, occupation, wealth and economic position.

Voters belonging to the same caste may have different economic interests and political preferences. Similarly, individuals from different castes may share common economic concerns, such as unemployment, agricultural distress, wages and access to public services.

A study by Suhas Palshikar and Jyoti Mishra, using Lokniti National Election Study data from 1996 to 2019, examined the combined influence of caste and class on voting choices. The study highlighted differences in political consolidation and electoral preferences across privileged and less privileged social sections. IDEAS/RePEc+1

10. Caste and Regional Political Variations

The influence of caste differs significantly across Indian states and regions. The historical composition of society, regional political movements, local leadership and party competition shape the electoral significance of caste.

For instance, caste mobilisation has played an important role in the politics of Uttar Pradesh and Bihar, while regional movements and other social identities have interacted with caste politics in states such as Tamil Nadu, Maharashtra, Haryana and Karnataka.

Suhas Palshikar’s 2024 discussion of caste and Indian politics highlights the changing relationship between caste, party competition, OBC political mobilisation and representation since the 1990s. Oxford Academic

11. Caste and Voting in Reserved Constituencies

Reserved constituencies provide an important institutional context for understanding caste and voting behaviour.

In constituencies reserved for Scheduled Castes or Scheduled Tribes, candidates must belong to the relevant reserved category. However, the entire electorate of the constituency participates in voting.

Research by Yuko Mori and Takashi Kurosaki, based on India’s 2004 National Election Study data, examined how political reservation affected voting behaviour. Their findings indicated that reservation encouraged electoral participation among disadvantaged caste and tribal voters, while voters from other groups also adjusted their party choices in reserved constituencies. IDEAS/RePEc+1

12. Changing Nature of Caste-Based Voting

Caste continues to influence Indian electoral politics, but its relationship with voting behaviour has changed over time.

Several developments have contributed to this change:

• Greater political participation by historically disadvantaged communities.
• Expansion of education, urbanisation and occupational mobility.
• Emergence of new political parties and social coalitions.
• Growing importance of welfare programmes and direct benefit transfers.
• Increased emphasis on leadership, governance and development.
• Changing alliances and political preferences among OBC, Dalit and other caste groups.

Research on the 2024 general election also examined the continuing role of caste in candidate nomination, political representation and electoral strategies. Arvind Kumar’s study of candidate nomination, with particular reference to Uttar Pradesh, discusses the importance of caste profiles in party strategies and electoral narratives. Summer 2025+1

Caste and Voting Behaviour in Contemporary India

In contemporary India, caste operates alongside several other determinants of voting behaviour. Its influence can be observed in:

• The selection of candidates according to constituency-level social composition.
• Political mobilisation around caste identity and social justice.
• Formation of electoral alliances among different caste communities.
• Demands for representation in legislatures, ministries and political organisations.
• Political debates concerning reservation, equality and caste-based discrimination.
• Competition among political parties to attract OBC, Dalit, Adivasi and other social groups.

At the same time, voters increasingly evaluate political parties and candidates through multiple considerations, including welfare benefits, economic conditions, employment, leadership, governance and development. Research on Indian electoral politics therefore cautions against explaining election outcomes through caste alone. Oxford Academic+2

Positive and Negative Implications of Caste in Electoral Politics

Potential positive implications

1. It can increase political participation among historically marginalised communities.
2. It can strengthen demands for social justice and equal representation.
3. It can provide political visibility to disadvantaged social groups.
4. It can encourage political parties to address caste-based inequalities.
5. It can help articulate the interests of communities that have experienced social exclusion.

Potential negative implications

1. It may encourage caste-based electoral polarisation.
2. It can strengthen narrow community loyalties at the expense of wider public interests.
3. It may encourage political parties to treat caste groups as fixed vote banks.
4. It can intensify social divisions and inter-community competition.
5. It may divert attention from broader issues such as employment, education, public health and economic development.

Conclusion

Caste is an important determinant of voting behaviour in India because it influences political identity, candidate selection, party mobilisation, electoral alliances and demands for representation. The expansion of democratic participation has enabled historically disadvantaged communities to use electoral politics as a means of asserting their rights and seeking social justice.

However, caste-based voting is neither uniform nor permanent. Its influence varies across regions, social groups, generations and elections. Caste also interacts with class, religion, economic interests, welfare policies, political leadership and governance.

Therefore, Indian voting behaviour should be understood through a multidimensional approach in which caste remains an important social and political factor, but not the only determinant of electoral choice.