Before the advent of the constitution, India was governed under which Act

Equal justice and free legal aid is provided in the constitution under 

Compensation in case of custodial death is given by Supreme court in the case

Identify the author who uttered the following sentence :

“Man is born free but is everywhere in chains.”

Gopala Krishna Gokhale was

The rate at which domestic currency can be converted into foreign currency and vice-versa is known as :