1.Secularism means the separation of government from religion institutes and ideologies. In India, it means treating all religion equal.
2.The democracy grants its citizen with fundamental rights like right to equality and right to freedom etc. The justice with these rights will only take place if the government follows secular system.
3.It is an vital principle of democracy since it safe guards democracy by limiting the powers of the majority.
4.In country like India where all caste and religion people are in good proportion, secularism plays an important role by giving them equality, freedom and life with dignity and respect.