Saturn is the sixth planet from the Sun and the second-largest in the Solar System, after Jupiter. It is a gas giant with an average radius about nine times that of Earth.The planet's most famous feature is its prominent ring system that is composed mostly of ice particles, with a smaller amount of rocky debris and dust.

The Geological Survey of India (GSI), founded in 1851, is a Government of India Ministry of Mines organisation, one of the oldest of such organisations in the world and the second oldest survey in India after Survey of India founded in 1767, for conducting geological surveys and studies of India, and also as the prime provider of basic earth science information to government, industry and the general public. It is headquartered in Kolkata, West-Bengal.

Ajanta Caves in Maharashtra, India are a Buddhist monastery complex of twenty-nine rock-cut cave monuments containing paintings and sculpture considered to be masterpieces of both "Buddhist religious art" and "universal pictorial art". The caves are located just outside the village of Ajintha in Aurangabad District in the Indian state of Maharashtra.

Natural rubber, also called India rubber consists of polymers of the organic compound isoprene, with minor impurities of other organic compounds, plus water.Natural rubber is a vital agricultural product or commodity which is used in the manufacture of a wide range of products.

The States Reorganisation Act, 1956 was a major reform of the boundaries of India's states and territories, organising them along linguistic lines.The Act came into effect at the same time as the Constitution (Seventh Amendment) Act, 1956, which restructured the constitutional framework for India's existing states and the requirements to pass the States Reorganisation Act, 1956 under the provisions of Part I of the Constitution of India, Articles 3 & 4.

An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. Electromagnets usually consist of wire wound into a coil. A current through the wire creates a magnetic field which is concentrated in the hole, denoting the center of the coil. The magnetic field disappears when the current is turned off. The wire turns are often wound around a magnetic core made from a ferromagnetic or ferrimagnetic material such as iron; the magnetic core concentrates the magnetic flux and makes a more powerful magnet.

Sodium hydroxide, also known as lye and caustic soda, is an inorganic compound with the formula NaOH. It is a white solid ionic compound consisting of sodium cations Na⁺ and hydroxide anions OH⁻. Caustic soda is the most popular alkali in the world

The Rh blood group system is one of forty-five known human blood group systems. It is the second most important blood group system after ABO blood group system. The term "Rh" was originally an abbreviation of "Rhesus factor." It was discovered in 1937 by Karl Landsteiner and Alexander S. Wiener.

A catalyst is a substance that can be added to a reaction to increase the reaction rate without getting consumed in the process. Catalysts typically speed up a reaction by reducing the activation energy or changing the reaction mechanism. For eg- Enzymes are proteins that act as catalysts in biochemical reactions.

An ohmmeter is an electrical instrument that measures electrical resistance, the opposition to an electric current. The ohmmeter gives the approximate value of resistance. It is very portable and hence used in the laboratory. It is of three types- they are the series ohmmeter, shunt ohmmeter and multi-range ohmmeter.