The Kalinga Prize is an international award given by UNESCO (United Nations Educational, Scientific and Cultural Organization) for outstanding contributions to the popularization of science. It is awarded to individuals who have effectively communicated and popularized science to the public, promoting a better understanding of scientific issues and fostering scientific literacy. The award is named after the ancient Indian kingdom of Kalinga, which is present-day Odisha in India.

Sardar Baldev Singh was the first Defence Minister of India. He held this position in the Cabinet of Prime Minister Jawaharlal Nehru when the Ministry of Defence was established after India gained independence in 1947. Sardar Baldev Singh played a crucial role in the early years of independent India in organizing and managing the defense structure of the country. His tenure as Defence Minister contributed to the establishment and development of the Indian armed forces.

In the Indian numbering system, 100 million is equal to 10 crores. 1 crore is equal to 1,00,00,000. 100 million can also be written as 10 crores. 

Reuters is a global news organization known for providing news to newspapers, television, and radio stations worldwide. The company was founded in London, United Kingdom, in 1851 by Paul Julius Reuter. Its headquarters are still located in London, making the United Kingdom the base for its international news operations. Reuters has a reputation for delivering accurate and timely news across a wide range of topics, including finance, markets, technology, and international affairs.

The AQI, or Air Quality Index, is a numerical scale used to communicate the quality of air in a specific location. It provides information about the level of various air pollutants, such as particulate matter (PM), ground-level ozone, sulfur dioxide, carbon monoxide, and nitrogen dioxide. The AQI is typically used by government agencies and environmental organizations to inform the public about the potential health effects of the current air quality. The scale is divided into categories, ranging from "Good" to "Hazardous," each corresponding to a different level of health concern. Monitoring and reporting AQI helps people make informed decisions about outdoor activities and take precautions when air quality is poor.

Rafael Nadal, the Spanish tennis player, defeated Dominic Thiem in the final to claim the 2018 French Open men's singles title. This victory marked Nadal's 11th French Open title, showcasing his dominance on the clay courts of Roland Garros.

The International Day of Yoga is celebrated on June 21st each year. This day was officially designated by the United Nations in 2014 to promote the numerous benefits of yoga and encourage people around the world to incorporate yoga into their daily lives. June 21st was chosen as the International Yoga Day because it corresponds to the summer solstice in the Northern Hemisphere, which has special significance in many cultures. The day aims to raise awareness about the physical, mental, and spiritual benefits of practicing yoga.

Ganymede is the largest moon of Jupiter and is also the largest moon in our solar system. It is even larger than the planet Mercury. Ganymede is one of Jupiter's four largest moons, known as the Galilean moons, discovered by Galileo Galilei in 1610.