It means that the people of India have freedom to live by their religion beliefs and practises, and the state treats all individuals as equal citizens regardless of it. In other words, India does not have an official state religion.
The First Amendment was adopted on December 15, 1791. It established a separation of church and state that prohibited the federal government from making any law “respecting an establishment of religion.” It also prohibits the government, in most cases, from interfering with a person's religious beliefs or practices.
