A second important feature of the Constitution was its emphasis on secularism. There was no ringing pronouncement of secularism in the Preamble, but operationally, its key features as understood in Indian contexts were spelt out in an exemplary manner. This was done through the carefully drafted series of Fundamental Rights.

Which articles in the Indian Constitution are on the Fundamental Right to 'Freedom of religion'?

Articles 25 to 28

Articles 25 to 28 in the Indian Constitution are on the Fundamental Right to "Freedom of religion".