Book excerpt: This book gives the reader a brief introduction to some of the theories of secular thought that are popular in the West as well as in India. It also deals extensively into what the true meaning of secularism in India is. It innovatively embeds Indian cases and contexts in the Constitutional Perspective. It presents an understating of the manner in which India developed its peculiar variant of secularism. Chapter 1 traces the historical and conceptual exposition of secularism both in the western and Indian Contexts. Chapter two narrated the political intensions of the constitution framers and constitutional provisions. In the following two chapters, it deals with judicial pronouncements with regards to secularism and also discussed the threats to Indian Constitutional Secularism and its vision by its rebellions. This work is a modified version of the doctoral thesis submitted to the Pondicherry University