Archimedes' principle states that the upward buoyant force that is exerted on a body immersed in a fluid, whether fully or partially submerged, is equal to the weight of the fluid that the body displaces and acts in the upward direction at the center of mass of the displaced fluid. It was discovered by the ancient Greek mathematician and inventor Archimedes.

Hematite is the most important ore mineral of iron. It is an oxide mineral and is found in a variety of colours- red, orange and brown. Large ore bodies of hematite are usually of sedimentary origin, and it is widely distributed in sedimentary rocks as cement. High grade ore bodies can be found in metamorphic rocks as a result of contact metasomatism. Hematite is also as an accessory mineral in igneous rocks. The red colouring of soils all over the planet is due to hematite.

The Khajuraho monuments are located in the Indian state of Madhya Pradesh, in Chhatarpur district, about 620 kilometres southeast of New Delhi.The temples are located near a small town also known as Khajuraho. Khajuraho has the country's largest group of medieval Hindu and Jain temples, famous for their erotic sculptures.

The World Bank is an international financial institution that provides interest-free loans and grants to the governments of poorer countries for the purpose of pursuing capital projects. It comprises two institutions: the International Bank for Reconstruction and Development (IBRD), and the International Development Association (IDA). The World Bank is a component of the World Bank Group. It is headquartered in Washington DC, U.S.

On June 27, 2019, Padmanabha Balakrishna Acharya was sworn in as the Governor of Manipur.He is given the additional charge as the Governor of Manipur, in addition to his own duties as the Governor of Nagaland in the absence of Dr Najma Heptulla, Governor of Manipur.

Keibul Lamjao National Park is a national park in the Bishnupur district of the state of Manipur in India. It is 40 km² in area, the only floating park in the world, located in North East India, and an integral part of Loktak Lake.

Boson is a particle that follows Bose–Einstein statistics. Bosons make up one of the two classes of particles, the other being fermions. The name boson was coined by Paul Dirac to commemorate the contribution of Indian physicist and professor of physics at the University of Calcutta and at the University of Dhaka, Satyendra Nath Bose in developing, with Albert Einstein, Bose–Einstein statistics which theorizes the characteristics of elementary particles.

The Law of supply is the microeconomic law that states that, all other factors being equal, as the price of a good or service increases, the quantity of goods or services that suppliers offer will increase, and vice versa. In other words, there is a direct relationship between price and quantity: quantities respond in the same direction as price changes.

The World Trade Organization (WTO) is an intergovernmental organization which regulates international trade. The WTO officially commenced on 1 January 1995 under the Marrakesh Agreement, signed by 123 nations on 15 April 1994, replacing the General Agreement on Tariffs and Trade (GATT), which commenced in 1948.

Fundamental rights, the basic and civil liberties of the people, are protected under the charter of rights contained in Part III (Articles 12 to 35) of the Constitution of India. These include individual rights common to most liberal democracies, such as equality before the law, freedom of speech and expression, religious and cultural freedom, peaceful assembly, freedom to practice religion, and the right to constitutional remedies for the protection of civil rights. This feature has been borrowed from the United States of America.