Cyclical unemployment is the component of overall unemployment that results from economic upturns and downturns. Unemployment rises during recessions and declines during economic expansions. It is the result of depression in an economy.

The Balance of payments (BOP) is a statement of all transactions made between entities in one country and the rest of the world over a defined period of time, such as a quarter or a year. These transactions consist of imports and exports of goods, services and capital, as well as transfer payments, such as foreign aid and remittances.

The Indian rupee sign is the currency symbol for the Indian rupee, the official currency of India. Designed by Udaya Kumar, it was presented to the public by the Government of India on 15 July 2010, following its selection through an "open" competition among Indian residents.

Project Tiger is a tiger conservation programme launched in April 1973 by the Government of India during Prime Minister Indira Gandhi's tenure. The project aims at ensuring a viable population of Bengal tigers in their natural habitats, protecting them from extinction, and preserving areas of biological importance as a natural heritage forever represented as close as possible the diversity of ecosystems across the distribution of tigers in the country.

Polyvinyl chloride (PVC) is the world's third-most widely produced synthetic plastic polymer, after polyethylene and polypropylene. Polyvinyl chloride is produced by polymerization of the vinyl chloride monomer.

Quartz is a mineral composed of silicon and oxygen atoms in a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2. Quartz is the second most abundant mineral in Earth's continental crust, behind feldspar.

Rajasthan became first state in the country to implement National Policy on Biofuels unveiled by Union Government in May 2018.Under this policy, State Government will lay emphasis on increasing production of oilseeds and establish Centre for Excellence in Udaipur to promote research in fields of alternative fuels and energy resources.

China successfully launched Gaofen-11, an optical remote sensing satellite, as part of the country's high-resolution Earth observation project. It was launched on board of Long March 4B rocket from Taiyuan Satellite Launch Center in northern Shanxi Province in 2018.

Punched tape or perforated paper tape is a form of data storage, consisting of a long strip of paper in which holes are punched to store data. It was widely used during much of the twentieth century for teleprinter communication, for input to computers of the 1950s and 1960s, and later as a storage medium for minicomputers and CNC machine tools.

CD-ROM Stands for "Compact Disc Read-Only Memory." A CD-ROM is a CD that can be read by a computer with an optical drive. The "ROM" part of the term means the data on the disc is "read-only," or cannot be altered or erased.