Statement A accurately reflects the spirit and objectives enshrined in the Preamble of the Indian Constitution, which promises justice, liberty, equality, and fraternity as fundamental values. These values are essential for establishing a democratic and egalitarian society. Statement B correctly identifies the Preamble, Fundamental Rights (Part III), and Directive Principles of State Policy (Part IV) as the foundational elements ('trinity') of the Constitution that collectively aim to achieve socio-economic justice and an egalitarian social order. This grouping is a common constitutional interpretation highlighting the interconnectedness of these parts in realizing the vision of the Constitution.