The preamble is the soul of constitution. It dadases India as the sovereign, social, secular, democratic, Republic nation. Socialism means, in context to India, equal distribution of wealth and resources, Secularism in positive meaning embodies principles and provisions for the development of all religions.
India’s a democracy with no perpetual hereditary king to let it be a republic state. Preamble embodies provisions of justice, liberty. Equality and fraternity. Through various articles they are dealt with in detail.