Science is the effort to discover and increase understanding of the physical world through controlled methods like experimentation and observation. Technology refers to humanity's knowledge and tools used to solve problems and satisfy needs, and is a consequence of science and engineering. In India, science and technology have transformed the economy and helped India become a globally competitive power, with the scientific workforce and quality of research publications growing above world averages. Key areas include space technology, where India has expertise in satellite design, manufacturing, and launching and operates the largest constellation of remote sensing satellites.