Developing a consistent and comprehensive theoretical interpretation of gravity remains one of the most profound challenges in modern science. Unlike other fundamental forces, gravity resists full unification with quantum mechanics, making its deeper understanding exceptionally complex. This difficulty is precisely why researchers in gravitational physics are often regarded among the most accomplished scientists. Their work demands not only advanced mathematical mastery but also deep conceptual insight into the nature of space, time, and reality itself. The development of gravitational theory has progressed through major interpretive milestones separated by long historical intervals. Isaac Newton formulated the classical theory of gravity, which remained foundational for nearly 200 years. After approximately two centuries, Albert Einstein introduced a fundamentally new geometric interpretation through General Relativity. More than 100 years after Einstein’s work, I, Pawan Upadhyay, proposed an effective pressure–curvature interpretation of gravity, aimed at providing additional physical insight into gravitational phenomena within the established framework of modern physics. https://archive.org/details/@pawan_upadhyay