no generation has monopoly of wisdom nor has any generation a right to place fetters on future generations to mould the machinery of government and the laws according to their requirements. Although guidelines for the organization and functioning of the future government may be laid down and although norms may also be prescribed for the legislative activity, neither the guidelines should be so rigid nor the norms so inflexible and unalterable as should render them to be incapable of change, alteration and replacement even though the future generations want to change, alter or replace them
