In the census 2011, a person aged seven and above, who can both read and write with understanding in any language is treated as literate. A person, who can only read but can’t write, is not literate. India's literacy rate is at 74.04%. Kerala is the most literate state in India, with 93.91% literacy. Bihar is the least literate state in India, with a literacy of 63.82%.

Sleet is generally transparent ice pellets that have diameters of 5 mm or less and that are formed as a result of the freezing of raindrops or the freezing of mostly melted snow flakes. It is a mixture of rain and snow and is a kind of winter precipitation

Fermentation is a metabolic process that produces chemical changes in organic substrates through the action of enzymes. In biochemistry, it is narrowly defined as the extraction of energy from carbohydrates in the absence of oxygen.

The visible light spectrum is the segment of the electromagnetic spectrum that the human eye can view. A typical human eye will respond to wavelengths from about 380 to 740 nanometers. In terms of frequency, this corresponds to a band in the vicinity of 430–770 THz.

UDP (User Datagram Protocol) is an alternative communications protocol to Transmission Control Protocol (TCP) used primarily for establishing low-latency and loss-tolerating connections between applications on the internet. The protocol was designed by David P. Reed in 1980 and formally defined in RFC 768.

The Arthashastra is the title of a handbook for running an empire, written by Kautilya also known as Chanakya is an Indian statesman and philosopher, chief advisor and Prime Minister of the Indian Emperor Chandragupta, the first ruler of the Mauryan Empire. It is written in Sanskrit language.

Konkan is a coastal plain of western India, lying between the Arabian Sea (west) and the Western Ghats (east). The plain stretches approximately 330 miles (530 km) from the Daman Ganga River north of Mumbai to the Terekhol River between Maharashtra and Goa states and Daman and Diu union territory in the south. The industrial complex of Greater Mumbai is the primary economic focus of the region.

Kaziranga National Park is a protected area in the northeast Indian state of Assam. Spread across the floodplains of the Brahmaputra River, its forests, wetlands and grasslands are home to tigers, elephants and the world’s largest population of Indian one-horned rhinoceros. It is the most popular conservation efforts to save the endangered species like one-horned rhinoceros in India.

Darwin published his theory of evolution with compelling evidence in his 1859 book On the Origin of Species. His theory has had far-reaching effects on science and the way we understand life.

Investment in the economy means production of capital goods. When the economy produces all consumption goods and no capital goods then its GDP shall remain constant i.e. it will not grow. But till the time there is net production of capital goods i.e. investment in the economy, GDP will increase and the rate of increase of GDP may decrease.