Current Affairs for IAS Exams -10 February 2023

Current Affairs for IAS Exams - 10 February 2023


Bru Tribe 

  • Over 14,000 Brus displaced from Mizoram have been registered to vote in Tripura since their rehabilitation process began in April 2021


  • Bru or Reang is a community indigenous to Northeast India, living mostly in Tripura, Mizoram and Assam. In Tripura, they are recognised as a Particularly Vulnerable Tribal Group.
  • In Tripura, they are recognised as a Particularly Vulnerable Tribal Group.
  • They belong to Indo-Mongoloid racial stock. Their languages have an affinity with Austro-Asiatic groups under the Tibeto-Burman family.
  • Ethnically they are divided into 2 major clans namely Meska and Molsoi.
  • Their language is known as “Kaubru” which has a tonal effect on the Kuki language though broadly it is the Kok-Borok dialect.
  • Occupation: They are still a nomadic tribe and a large number among them maintain their livelihood involving Hilltop Jhum Cultivation and other food gathering activities.
  • They believe in spirits and the existence of a soul.
  • By religion they are Hindus and most of their deities are akin to gods and goddesses of the Hindu faith. Among Reangs followers of Vaishnavism are found in good numbers.


Agnikul Cosmos

  • Chennai-based space tech start-up Agnikul-Cosmos, has successfully conducted the flight acceptance test for its 3D printed rocket engine “Agnilet”.


  • Unlike other rocket engines, Agnilet was built in a single step, eliminating thousands of parts that are typically assembled in a conventional rocket engine.
  • It is a semi-cryogenic engine, which uses a mixture of liquid kerosene at room temperature and super cold liquid oxygen as fuel.
  • During the test, it generated sea level thrust of 6 kilo Newton.
  • Agnilet Engine will power the company’s launch vehicle, Agnibaan, which is capable of carrying payloads of up to 100kg to a low-earth orbit.
  • Launch of Agnibaan will be the second by a private firm - after Hyderabad-based Skyroot Aerospace’s Viksram-S, which took place in November 2022.
  • Earlier Agnikul also unveiled India’s first privately designed and operated rocket launchpad and mission control centre located at Sriharikota.

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Climate Inequality Report 2023

  • According to the Climate Inequality Report 2023, the gap between the carbon emissions of the rich and the poor within a country, however, is higher than the difference in overall emissions among countries.
  • Report, by World Inequality Lab, aims to shed light on variousdimensions of climate inequality and suggest pathways to tackleclimate inequalities.

Key Highlights of the report

  • Top 10% of global carbon emitters generate almost half of allgreenhouse gas emissions.
  • Difference between carbon emissions of the rich and poorwithin a country is now greater than differences in emissionsbetween countries.
  • Climate Change aggravates low agricultural productivity inpoorer countries, as well as water scarcity and security.
  • Carbon budgets required to eradicate poverty remain relativelylimited compared with global top emitters’ footprints.

Suggested pathways:

  • Significant resources should be invested in production and collection of climate inequality statistics in all countries.
  • Step-up efforts to honor climate finance pledges and further increase international development aid.
  • Windfall taxes on excess profits could help to fund low-carbon investment.
  • Developing countries also need to reform their domestic tax systems to redistribute more from the wealthy.


Global Quality Infrastructure Index 2021

  • India’s national accreditation system under the Quality Council of India (QCI) has been ranked 5th in the world in the recent Global Quality Infrastructure Index (GQII) 2021. 
  • The GQII ranks the 184 economies in the world on the basis of the quality infrastructure (QI). 
  • India’s overall QI system ranking continues to be in the Top 10 at the 10th position, with the standardization system (under BIS) at 9th and the metrology system (under NPL-CSIR) at the 21st position in the world.

About GQII:

  • The GQII is an initiative of the independent consulting firms Mesopartner and Analyticar to research and disseminate data on Quality Infrastructure.
  • It measures the relative development of countries’ quality infrastructure.
  • A formula calculates a score for each country based on its position in the sub-rankings for metrology, standards and accreditation.

Key facts about the Quality Council of India

  • It was established in 1997 jointly by the Department for Promotion of Industry & Internal Trade (DPIIT), the Ministry of Commerce & Industry, and the Indian industry.
  • It is registered as a non-profit organizationunder the Societies Registration Act XXI of 1860.
  • It is operated through the constituent Boards of QCI, primarily the National Accreditation Board for Certification Bodies (NABCB), and the National Accreditation Board for Testing & Calibration Laboratories (NABL).


Free Float in Stocks

  • Index provider MSCI said it has cut the free-float designations of four securities of Adani group, a move which analysts have warned could impact their index weightings.
  • MSCI has reduced the free floats of Adani Enterprises, Adani Total Gas, Adani Transmission and ACC.


  • Free-float refers to those shares which are readily available for trading in the stock market. 
  • It generally excludes promoters’ holding, government / strategic holding and other locked-in shares, which will not come to the market for trading in the normal course. 
  • Any listed company has to ensure that at least 25% of its shareholding is with the public at large. Shares held by non-promoters — be it retail investors, mutual funds, foreign portfolio investors (FPIs), and insurance companies — are called public float or public shareholding.
  • Free float is generally defined as the number of outstanding shares minus the number of shares that are restricted from trading. 
  • This restriction comes from the fact that these shares belong strategic investors who do not usually negotiate their holdings.
  • MSCI calculates free float-adjusted market-capitalization for each security.
  • It is calculated by multiplying an equity’s share price to number of shares available in the market. 
  • Rather than using all of the shares (both active and inactive shares), the free-float method excludes locked-in shares, such as those held by insiders, promoters, and governments.




  • Researchers have confirmed the detection of a star system that will one day end in a kilonova. 
  • The newly found star system has been labelled CPD-29 2176 and is located about 11,400 light-years from the earth.
  • CPD-29 2176 is currently a neutron star and a star orbiting each other.

About Kilonova:

  • A kilonova is a cosmic event that occurs when a neutron star smashes into another neutron star or a black hole.
  • It releases heavy metals like gold, silver, and selenium into outer space at tremendous velocities, as well as radiation.
  • A kilonova radiation also accompanies a gamma-ray burst, one of the most energetic cosmic events ever known.

What is a Neutron star?

  • The stars which are formed when a massive star runs out of fuel and collapses are called neutron stars
  • The very central region of the star – the core – collapses, crushing together every proton and electron into a neutron.


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