General Knowledge (GK) 2023-24: GK Questions, Topics, Mock Test, Practice Quiz

INS Shalki is the first indigenously built submarine in India. It is part of the Shishumar class of submarines and was commissioned into the Indian Navy on December 7, 1991. INS Shalki, along with its sister submarine INS Shankul, marked a significant achievement in India's naval capabilities as it was built at the Mazagon Dock Limited in Mumbai, showcasing the country's growing capacity to design and construct submarines domestically.

The AQI, or Air Quality Index, is a numerical scale used to communicate the quality of air in a specific location. It provides information about the level of various air pollutants, such as particulate matter (PM), ground-level ozone, sulfur dioxide, carbon monoxide, and nitrogen dioxide. The AQI is typically used by government agencies and environmental organizations to inform the public about the potential health effects of the current air quality. The scale is divided into categories, ranging from "Good" to "Hazardous," each corresponding to a different level of health concern. Monitoring and reporting AQI helps people make informed decisions about outdoor activities and take precautions when air quality is poor.

In the Indian numbering system, 100 million is equal to 10 crores. 1 crore is equal to 1,00,00,000. 100 million can also be written as 10 crores. 

Reuters is a global news organization known for providing news to newspapers, television, and radio stations worldwide. The company was founded in London, United Kingdom, in 1851 by Paul Julius Reuter. Its headquarters are still located in London, making the United Kingdom the base for its international news operations. Reuters has a reputation for delivering accurate and timely news across a wide range of topics, including finance, markets, technology, and international affairs.

"Unbreakable" is a book written by Mary Kom, the renowned Indian boxer and Olympic bronze medalist. The book details her life, struggles, and achievements in the field of boxing. Mary Kom is a celebrated athlete and a prominent figure in Indian sports.