Question

why is India known as secular democratic republic ?

Answer 1

because secularism refer to the separation of religion from the caste . And in India no religion is separated by the caste . most probably

Answer 2

secularism in India means equal treatment of all religions by the state. with the 42nd amendment of the constitution of india inacted in 1976, the preamble to the constitution asserted that India is a secular nation. However , nither india's constitution nor its laws define the relationship between religion and state.