2 Minute Series 24th JAN

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1. Use of Loudspeakers and Right to religion

Use of Loudspeakers and Right to religion: The Bombay High Court recently directed the Maharashtra government to have an in-built mechanism to control decibel levels in loudspeakers, and said that use of loudspeakers not essential part of religion.

  • Judicial Observations: Use of loudspeakers is not an essential part of any religion and is not protected under Article 25 of the Constitution.

o Article 25 guarantees the freedom of religion to all citizens. It also gives the right to freedom of conscience

  • Right to religion: Article 25-28 guarantees the fundamental right to freedom of religion with some reasonable restrictions.
  • Doctrine of “essentiality”:

o Introduction: Introduced by the SC in the Shirur Mutt’ case in 1954.

o Court interpretation: The term religion will include those rituals that are integral to a particular religion.

ü The responsibility of determining what is included within the ambit of integral religious practices was left with the courts.

o Important cases and interpretations:

ü Sri Venkataramana Devaru vs State of Mysore case (1958): Estrictions on entry into temples for some sections are not integral practice and are unconstitutional and void.

ü Aishat Shifa v. state of Karnataka (2022): Related to hijab Court allowed hijab in schools & colleges and held that the issue is not only related to religious practices but also freedom of expression (Article 19).


2. Tuberculosis

Tuberculosis: According to the World Health Organization’s Global Tuberculosis Report 2024, India continues to lead in the global TB burden (26% of cases) and is also the hub for drug-resistant TB (DR-TB) and TB deaths.

  • Global status: TB remains the leading infectious disease killer globally in 2023.
  • End TB Targets (2030): 90% reduction in deaths, 80% reduction in new cases, and zero TB-affected families facing catastrophic costs.
  • India’s Commitment: Pledged to achieve End TB targets by 2025, but COVID-19 delayed progress.
  • Global Burden Leader: India accounts for 26% of global TB cases and is a hub for drug-resistant TB (DR-TB) and TB deaths.
  • Vulnerable Groups in India: Miners, stone carvers, undernourished individuals, and those with co-morbidities like diabetes, migrant workers.
  • Factors: Undernutrition, overcrowding, silicosis, and lack of multisectoral actions.
  • Extra-pulmonary TB (EP-TB): Affects organs beyond lungs; 24% of notified cases but often missed due to vague symptoms.
  • Diagnosis Issues: Reluctance to notify TB, reliance on advanced tests, and lack of training among doctors delay diagnosis.
  • Resource Constraints: Expensive molecular tests (e.g., CBNAAT, Truenat) are available mostly at district levels with operational gaps.

3. Rhodamine B

Rhodamine B: A recent ban issued by the Food and Drug Administration (FDA) in January 2025 further reinforces these restrictions, prohibiting the use of Rhodamine B in any food-related applications due to increasing evidence of its carcinogenic properties.

  • About: Rhodamine B is a synthetic dye known for its bright pink hue, commonly utilised in industries such as textiles, paper, and leather, causes DNA damage, mutations, and cancer (liver, bladder tumors observed in animal studies).
  • Growing Concerns in India: Illegal Use in Foods: Enhances visual appeal in candies, street foods, and other consumables, violates Food Safety and Standards Act, 2006.
  • State-Level Actions in India: Banned sale of cotton candy with Rhodamine B, states includes:
  • Tamil Nadu (Feb 2024), Karnataka (Mar 2024), Puducherry, Himachal Pradesh (May 2024).
  • Expert Opinions on Synthetic Dyes:

o Carcinogenic Risk: Due to DNA damage and oxidative stress.

o Vulnerable Groups: Children, elderly, and immunocompromised individuals.

o Skin Reactions: Allergies, redness, pigmentation changes with long-term exposure.

  • EU Ban: Initiated in the 1990s over skin sensitization and carcinogenic risks.

4. World University Ranking

World University Ranking: The Times Higher Education (THE) has recently released the World University Rankings by Subject 2025.

  • About: IISc Bengaluru secure rank 99th in Computer Science, first Indian institution in the top 
  • 100, improved from the 251-300 band last year.
  • Delhi University's Recognition: Ranked in the 301+ band for Law and Psychology.
  • Subject Categories: Rankings were released for 11 categories- Arts and Humanities, Business and Economics, Computer Science, Education Studies, Engineering, Law, Life Sciences, Medical and Health, Physical Sciences, Psychology, and Social Sciences.
  • Computer Science (2024): 53 Indian universities featured, up from 47 in 2024, IISc ranked 96th globally.

o Top 3: Oxford University, University of Cambridge, Massachusetts Institute of Technology (MIT).

  • Global Dominance: MIT, Stanford, Harvard, Cambridge consistently in the top 10 across all 11 subjects.

o US leads in top 10 placements and overall representation across subjects.

o Trends: China and East Asian nations showing significant rise in global rankings.

  • About Times Higher Education (THE):

o Mission: To be the definitive source of data, insight, and expertise on higher education worldwide.

o Data Foundation: Built on 10 million data points from over 7,000 institutions across 171 countries.

o Rankings: Known for its World University Rankings, which assess university performance on the global stage.


5. Ad Hoc Judges in High Courts

Ad Hoc Judges in High Courts: Recently, the Supreme Court suggested temporarily appointing retired judges on an ad hoc (as required) basis to address the growing backlog of pending criminal cases before several High Courts.

  • About: Proposal under Article 224A of the Indian Constitution, allowing retired HC judges to temporarily perform duties with the President's consent.
  • Procedure for Appointment (Article 224A): Chief Justice of a High Court requests a retired judge's appointment with the President's approval.
  • Appointees: Receive allowances as per the President's order.

o Hold the jurisdiction, powers, and privileges of an HC judge but are not “deemed” as one.

  • 2021 SC Directive: Appointment process must be routed through the Supreme Court collegium (CJI + 2 senior-most judges).
  • Conditions for Ad Hoc Appointments (Lok Prahari Case, 2021): Vacancies > 20% of sanctioned strength (excluding proposals).
  • SC's Concerns and Recommendations: Ad hoc appointments should not replace regular judge recruitment.

6. INS Sarvekshak

INS Sarvekshak: The ship recently completed completed final phase of hydrographic survey of Mauritius.

  • About: It is Hydrographic Survey Ship of the Indian Navy, based at Southern Naval Command, Kochi.

o Equipped with advanced systems: Deep Sea Multi-Beam Echo Sounder, Side Scan Sonars, fully automated digital surveying and processing system, and Carries an integral Chetak helicopter for survey operations.

o Past foreign cooperation surveys: Sri Lanka, Mauritius, Seychelles, Tanzania, and Kenya.

  • About Hydrography: Study of physical features of oceans, seas, coastal areas, lakes, and rivers, includes measuring tides, currents, and predicting changes over time.
  • Significance: Strengthens India-Mauritius maritime partnership and regional cooperation.

o Aligns with India's vision of SAGAR (Security and Growth for All in the Region).


7. India’s Deep Ocean Mission

India’s Deep Ocean Mission: India is set to launch its first human underwater submersible (Deep-Sea Manned Vehicle) this year, according to the Government of India.

  • About: Deep-Sea Manned Vehicle will operational at 500 meters depth in 2025, but the target to reach 6,000 meters depth by 2026.

o Positions India among the top six nations with deep-sea exploration technology, and developed using 100% indigenous technology.

  • Alignment with Other Missions: Coincides with the Gaganyaan Space Mission, marking dual scientific achievements.
  • Economic and Scientific Impact: Aims to boost the blue economy through resource discovery, including: Critical minerals, rare metals, and marine biodiversity.


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