Religion’s Impact on Voting Behaviour in India

India calls itself a secular republic, yet walk into almost any election season and you will hear appeals dressed in the language of faith. The Constitution keeps the state at an equal distance from all religions, but at the ballot box, religious identity often acts as a quiet (and sometimes loud) compass for how millions vote. Understanding why this happens, and how it has evolved, tells us a lot about how democracy actually works on the ground here, beyond what the rulebook says.

Secularism on paper, religion in practice 🔗

The Constitution guarantees freedom of religion through Articles 25 to 28, which protect the right to profess, practice, and propagate faith while barring the state from favouring any one religion. The Indian version of secularism is distinct from the Western idea. Instead of building a wall between religion and public life, it asks the state to treat all faiths with equal respect, a principle often called sarva dharma sambhava.

This model fits a society where religion is woven into daily life. But it also creates an opening. When the state engages with religious communities rather than ignoring them, political parties learn that religious identity can be organised, courted, and converted into votes. The result is a persistent gap between the secular ideal and the communal reality of electoral competition.

Why religion becomes a voting cue 🔗

For many voters, religion is not just about worship. It functions as a marker of community, belonging, and shared interest. When people feel that their group’s security, dignity, or welfare is tied to a particular party, faith starts shaping the vote. Political scientists describe this through the idea of vote banks, where parties mobilise a religious community as a bloc by promising protection or benefits. Studies note that religious belonging provides solidarity and cultural continuity that parties then translate into electoral support.

The turning point of the 1980s 🔗

Religion always had a presence in Indian elections, but its intensity changed sharply in the 1980s. This was the decade when identity politics, religious, caste-based, and regional, began to reshape electoral outcomes in a serious way. Two episodes from this period are essential to understanding the shift.

The Shah Bano case and the appeasement charge 🔗

In 1985, the Supreme Court ruled in favour of Shah Bano, a divorced Muslim woman, granting her maintenance under secular criminal law. After protests from conservative Muslim groups, the Rajiv Gandhi government, which held a massive majority of over 400 seats, passed the Muslim Women (Protection of Rights in Divorce) Act of 1986, which effectively diluted the court’s judgment.

The political fallout was enormous. The decision was widely read as prioritising communal vote-bank politics over women’s rights, and it left the Congress exposed to the charge of “minority appeasement.” Analysts argue that this episode weakened the Congress and fuelled the rise of the BJP and its Hindutva agenda. To balance the perception of favouring one community, the government soon allowed the disputed Babri Masjid site in Ayodhya to be opened for Hindu worship, a move that pleased no one fully and inflamed both sides.

The Ram Janmabhoomi movement 🔗

The single most powerful example of religion shaping votes is the Ram Janmabhoomi movement. In June 1989, the BJP adopted a resolution at its Palampur national executive demanding that the Ayodhya site be handed over for the construction of a Ram temple. Party president L.K. Advani then led the Rath Yatra in 1990, a journey that galvanised Hindu sentiment across northern and central India.

The electoral effect was dramatic. The BJP went from just two Lok Sabha seats in 1984 to 85 in 1989, then 120 in 1991, 161 in 1996, and 182 in 1999. Over roughly the same period, the Congress declined from its 1984 high. The movement did more than win seats; it taught the party how to use the symbol of Ram to unite different Hindu castes and expand beyond its earlier base among urban, upper-caste voters into rural areas and lower castes.

How major parties use religion differently 🔗

Religion does not operate the same way for every party. The strategies reflect each party’s history and its calculation about which communities will respond.

The BJP and Hindu consolidation 🔗

The BJP has a well-documented association with Hindu nationalism, and its mobilisation strategy relies on consolidating the majority community across caste lines. Survey data captures how effective this has been. According to the post-poll survey by the Lokniti programme of the Centre for the Study of Developing Societies (CSDS), the BJP’s share of the Hindu vote rose from 36 percent to 44 percent in 2019, and crossed 50 percent when allies were included. The same data showed very low support for the party among Muslims, Sikhs, and Christians, pointing to a deep polarisation along religious lines.

The Congress and the balancing act 🔗

The Congress has traditionally positioned itself as the guardian of secularism, attempting to balance the interests of different religious communities. In practice, this has meant trying to retain both Hindu and minority support at once. The difficulty is that this balancing act repeatedly exposed the party to the “appeasement” charge from rivals, as the Shah Bano episode showed. When a party tries to be everything to everyone, opponents find it easy to accuse it of being insincere to each group.

What recent surveys tell us 🔗

The most reliable picture of religious voting comes from the CSDS-Lokniti post-poll surveys, which have tracked these patterns since the 1990s. The data reveals that religious identity is a strong but not absolute predictor of the vote.

The 2024 verdict and minority voting 🔗

The 2024 Lok Sabha results offered a more complex story than simple polarisation. The CSDS-Lokniti survey found that the NDA made notable gains among Christians and lost ground among Sikhs, with Sikh preference for the NDA falling sharply, partly because of the exit of an ally. Overall preference for the BJP among Muslims remained low at around 8 percent.

Researchers also point out that Muslim voting is not as uniform as the “vote bank” label suggests. An analysis using a standard measure of vote concentration found some fractionalization of Muslim votes in the 2019 general elections, with considerable variation across states. In state assembly elections, however, Muslim voters have tended to consolidate behind whichever party is best placed to challenge the BJP locally.

Religion combined with economics and governance 🔗

It is a mistake to think religion works alone. Its influence is strongest when it combines with economic anxiety and questions of governance. The 1991 election, fought during an economic crisis, is often described as the “Mandir versus Mandal” contest, where the temple issue collided with debates over caste-based reservation. Voters were responding to identity and material concerns at the same time. Even in 2024, scholars analysing the CSDS data found that upper-caste Hindus remained the most loyal support base for the BJP, showing how caste, class, and religion interact rather than operate in isolation.

The digital amplification of religious appeals 🔗

A newer dimension is the role of technology. Social media, satellite television, and digital platforms have made religious mobilisation faster and more visual than ever. Festivals and pilgrimages are now televised and politicised, creating mass spectacles that reinforce collective identity. The same platforms can also spread misinformation and sharpen communal divisions during campaigns. For younger voters, religiosity is increasingly expressed as cultural identity rather than strict devotion, which makes religious appeals less about theology and more about belonging.

The cost to secular ideals 🔗

The repeated use of religion in elections carries real consequences for democracy. When parties build vote banks along religious lines, they encourage citizens to see one another primarily through the lens of faith. This deepens societal divisions and strains the constitutional guarantees of equality and non-discrimination. The challenge is that the same religious mobilisation that wins elections also erodes the secular fabric the Constitution tries to protect. The future of the system depends on whether parties and voters can hold their faith without weaponising it against fellow citizens.

What do you think? If religion offers a genuine sense of community and identity to voters, where should we draw the line between legitimate political expression of that identity and harmful communal mobilisation? And do you believe economic performance and governance can ever fully displace religious appeals as the deciding factor in Indian elections?

References

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