National Science Day in India is celebrated on February 28th every year. This day commemorates the discovery of the Raman Effect by the Indian physicist Sir C.V. Raman on February 28, 1928, for which he was awarded the Nobel Prize in Physics in 1930. National Science Day is an opportunity to recognize and celebrate the contributions of Indian scientists and to promote scientific temper and curiosity in the country.

Lalu Prasad Yadav, the Indian politician, and former Chief Minister of Bihar served as the Union Railway Minister of India and presented the railway budget six times in a row from 2004 to 2009. During his tenure, he implemented several changes and reforms in the Indian Railways.

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.

 In January 2022, Australia is the largest producer of bauxite in the world. Bauxite is the primary ore from which aluminum is extracted, and Australia has extensive bauxite deposits. However, production figures can change over time, so it's advisable to check the latest data for the most accurate information.