India has a long and rich history of using science and technology for various purposes. From ancient times, Indians have made significant contributions to the field of science and have used their knowledge and skills for the betterment of society. Here is a detailed look at how Indians have used science and for what broad purposes:

One of the earliest and most notable examples of the use of science and technology in India is the Indus Valley Civilization. This civilization, which flourished between 2500 BCE and 1900 BCE, was marked by advanced urban planning and sophisticated systems of water management, including the construction of reservoirs and canals. The Indus Valley Civilization also made significant advances in metallurgy, using copper, bronze, and iron to create tools and weapons.
In ancient India, science and technology were also used for medicinal purposes. The Ayurveda, a traditional system of medicine that originated in India, is based on the principles of balancing the body’s energies through diet, lifestyle, and the use of herbs and other natural remedies. Ayurveda practitioners used their knowledge of anatomy, physiology, and pharmacology to develop effective treatments for a wide range of ailments.
In the medieval period, Indian scholars made significant contributions to mathematics, astronomy, and physics. For example, the mathematician Aryabhata developed the concept of zero and made significant contributions to the study of trigonometry. The astronomer Brahmagupta developed the concept of gravitation and formulated the laws of motion. The physicist Hasan ibn al-Haytham, who studied in India, made important contributions to the study of optics and the science of light.
During the colonial period, the British introduced modern scientific and technological practices in India, which led to the development of new industries and the transformation of traditional ones. The British also established scientific institutions, such as the Indian Institute of Science in Bengaluru, which became a hub for scientific research and education.
In the modern era, India has continued to use science and technology for a variety of purposes, including economic development, healthcare, and environmental conservation. For example, India has developed a strong pharmaceutical industry that produces generic drugs for the global market. In the field of healthcare, India has made significant advances in telemedicine, which allows doctors to diagnose and treat patients remotely using technology such as videoconferencing. In the field of environmental conservation, India has developed renewable energy technologies, such as solar and wind power, to reduce its dependence on fossil fuels and reduce carbon emissions.
Overall, the use of science and technology in India has played a crucial role in the country’s development and continues to do so today. From ancient times to the present, Indians have used their knowledge and skills to improve the lives of people and make a positive impact on society.