Freethought is a philosophical viewpoint that holds opinions should be formed on the basis of logic, reason, and empiricism, rather than authority, tradition, or other dogmas. The cognitive application of freethought is known as "freethinking", and practitioners of freethought are known as "freethinkers".
Constitution of India
“It shall be the duty of every citizen of India to develop the scientific temper, humanism and the spirit of inquiry and reform;” Constitution of India