Two provisions that make India a secular nation are:

1. Freedom of Religion:
The Constitution of India guarantees its citizens the right to freedom of religion under Article 25-28. This provision ensures that every individual has the freedom to practice and propagate any religion of their choice. It prohibits the state from discriminating against any citizen on the basis of religion. Here's a detailed explanation of the provisions related to freedom of religion:

- Article 25: This article guarantees the freedom of conscience and the right to freely profess, practice, and propagate religion. It allows individuals to follow any religion or have no religious beliefs at all. It also includes the freedom to establish and maintain religious institutions.
- Article 26: This article guarantees the right to manage religious affairs. It allows religious denominations or any section thereof to establish and maintain institutions for religious and charitable purposes, manage their own affairs in matters of religion, and own and acquire movable and immovable properties.
- Article 27: This article prohibits the state from levying taxes for promoting or maintaining any particular religion. It ensures that no person shall be compelled to pay any taxes for the promotion of a religion to which they do not belong.
- Article 28: This article deals with religious instruction in educational institutions. It states that no religious instruction shall be provided in any educational institution wholly maintained out of state funds. However, it allows religious instruction to be provided in educational institutions that are administered by the state but not wholly maintained out of state funds.

These provisions ensure that every individual has the freedom to practice their religion without any interference from the state. It promotes religious harmony and protects the rights of religious minorities.

2. Equality of all Religions:
Another provision that makes India a secular nation is the principle of equality of all religions. The Constitution of India ensures that no citizen is discriminated against based on their religion. Here's how this principle is upheld in India:

- Article 14: This article guarantees the right to equality before the law. It states that the state shall not deny any person equality before the law or equal protection of the laws within the territory of India. This ensures that no individual is discriminated against on the basis of their religion.
- Article 15: This article prohibits discrimination on various grounds, including religion. It states that the state shall not discriminate against any citizen on grounds of religion, race, caste, sex, or place of birth. It ensures equal treatment for all citizens irrespective of their religious beliefs.
- Article 16: This article guarantees equality of opportunity in matters of public employment. It states that there shall be no discrimination against any citizen on grounds of religion while granting employment or appointment to any office under the state.

These provisions ensure that all religions are treated equally and that no citizen is subjected to discrimination based on their religious beliefs. It promotes a sense of inclusivity and ensures that all individuals have equal rights and opportunities, regardless of their religion.