The freedom of religion in the Indian Constitution is enshrined in Articles 25 to 28, which collectively guarantee the right to freedom of religion. These articles provide individuals with the right to profess, practice, and propagate their religion freely. They also ensure that every religious denomination or any section thereof has the right to manage its religious affairs, establish and maintain institutions for religious and charitable purposes, and freely manage its own affairs in matters of religion.

So, the correct option is [1].