NEWS 1:Tamil Nadu rally tragedy claims 40 lives due to mismanagement highlights political accountability and crowd control failures.
GS-3 disaster management
- 40 people, including children, died at C. Joseph Vijay’s political rally in Karur, Tamil Nadu on Saturday night due to a crowd surge.
- Vijay’s roadshow for his party, Tamilaga Vettri Kazhagam (TVK), has faced police restrictions since its launch on September 13.
- The Madras High Court expressed concern over damage to public property by TVK supporters.
- The actual turnout at the Karur rally exceeded TVK’s projection by over 17,000 people.
- Chief Minister M.K. Stalin has entrusted the probe to a commission of inquiry.
- The tragedy occurred due to compressive asphyxia as the crowd surged forward to hear Vijay speak, with many fainting or being crushed.
- TVK resisted police restrictions, claiming them as politically motivated, and even approached the Madras High Court.
- Vijay’s delayed arrival and the lack of crowd control measures by organizers and police contributed to the disaster.
- The commission of inquiry will investigate not only TVK’s lapses but also the police’s actions in denying preferred venues.
- Open, spacious venues should be insisted upon for massive political meetings to prevent future tragedies.
Compressive Asphyxia (also called traumatic asphyxia or crush asphyxia) is a type of asphyxia caused by external compression of the chest or abdomen, which prevents normal breathing movements and leads to oxygen deprivation.
Key Features:
- Mechanism:
- Heavy weight or force compresses the chest/abdomen → lungs cannot expand → impaired breathing → reduced oxygen supply.
- Often seen in stampedes, building collapses, crowd crushes, landslides, or vehicular accidents.
- Pathophysiology:
- Failure of ventilation due to restricted chest wall movement.
- Venous congestion in the upper body → petechial hemorrhages in face/eyes.
- Hypoxia and hypercapnia leading to unconsciousness and death if prolonged.
- Clinical Signs:
- Cyanosis (bluish discoloration of skin).
- Swelling and congestion of face/neck.
- Petechiae (tiny red spots) on skin and conjunctiva.
- Forensic/Disaster Relevance:
- A common cause of death in stampedes and crowd crush events.
- Distinguishable from other asphyxial deaths during autopsy.
NEWS 2 India strengthens ties with Global South at UNGA criticizes Israel US trade policies and UN reforms
GS-2 international relation.
- At the UNGA week, India signaled a stronger alignment with the Global South, criticizing Israel’s actions in Gaza and U.S.-led trade policies.
- EAM Jaishankar held over half of his bilateral meetings with developing nations and focused multilateral discussions on Global South issues.
- India expressed disappointment with the U.S.’s trade actions, including new tariffs on Indian goods and visa restrictions.
- India’s statements at the UNGA on the Gaza conflict were more critical of Israel, aligning more closely with the Global South.
The United Nations General Assembly (UNGA) is one of the six principal organs of the United Nations, serving as its main deliberative and representative body.
Key Features of UNGA:
- Composition:
- All 193 member states of the UN are represented.
- Each member has one vote, regardless of size, power, or wealth.
- Functions:
- Discusses and makes recommendations on issues of international peace, security, and cooperation (except those under Security Council’s active consideration).
- Adopts the UN budget and apportions contributions among members.
- Elects non-permanent members of the Security Council, members of other UN bodies, and—on the Security Council’s recommendation—the UN Secretary-General.
- Provides a forum for debate on global issues, from development to human rights to climate change.
India @ UNGA
- Founding member of the UN (1945) and strong believer in multilateralism.
- Uses the UNGA platform to highlight issues concerning the Global South, especially peace, development, equity, and justice.
NEWS 3:Astrosat India’s first space observatory completes a decade among the stars
- AstroSat, India’s first space astronomy observatory, completed 10 years of operation on September 28, 2025.
- Launched on September 28, 2015, by PSLV-C30 (XL) from Sriharikota, AstroSat exceeded its initial 5-year mission life.
- The multi-wavelength observatory has five payloads to observe the universe across the electromagnetic spectrum.
- ISRO celebrated AstroSat’s achievements, highlighting discoveries from black holes to distant galaxies.
AstroSat is India’s first dedicated multi-wavelength space observatory, launched by ISRO on 28 September 2015 using PSLV-C30 from Sriharikota.
🔭 Key Features
- Objective: To observe celestial objects in multiple wavelengths – X-ray, ultraviolet (UV), and optical bands – simultaneously.
- Orbit: Near-Earth orbit (~650 km altitude).
- Significance: Comparable to NASA’s Hubble Space Telescope (though smaller in scale).
📡 Major Payloads
- UVIT (Ultraviolet Imaging Telescope) – observes in near & far UV regions.
- LAXPC (Large Area X-ray Proportional Counter) – studies time variability of X-ray sources.
- SXT (Soft X-ray Telescope) – studies X-ray emission from distant cosmic sources.
- CZTI (Cadmium Zinc Telluride Imager) – measures hard X-ray spectra & polarization.
- SSM (Scanning Sky Monitor) – detects and monitors transient X-ray sources.
🌌 Scientific Contributions
- Detected ultraviolet light from a galaxy 9.3 billion light years away.
- Studied supermassive black holes, neutron stars, white dwarfs, binary star systems, and supernovae.
- Provided insights into star formation, high-energy cosmic phenomena, and gamma-ray bursts.
- Helped in studying polarization of X-rays, a frontier in astrophysics.
MAINS MOCK QUESTION
“India’s space research programme has evolved from being technology-driven to becoming application-oriented with global relevance. Discuss the achievements, challenges, and future prospects of India’s space research’’.
