GS–1 | INDIAN GEOGRAPHY

1. Almatti Dam

Subtopic: Inter-State River Water Disputes, Krishna Basin

Value Addition:

• Location: Built on the Krishna River in Karnataka (Bagalkot district).

• Project Context: Part of the Upper Krishna Irrigation Project (UKIP).

• Purpose: Multipurpose – irrigation, hydroelectric power, flood control.

• Structural Details:

  • Height: 52.5 m

  • Length: ~3.5 km

  • Gross Storage: 123.08 TMC at 519 m MSL

• Hydropower Capacity:

  • Installed capacity: 290 MW

  • Uses vertical Kaplan turbines

  • Annual generation: ~713 million kWh

• Downstream Flow: Water released to Narayanpur reservoir after power generation.

• Inter-State Issue: Height increase proposal objected by Andhra Pradesh due to downstream water-sharing concerns.

• River Basin Context: Krishna Water Disputes Tribunal (KWDT I & II) historically adjudicated sharing among Maharashtra, Karnataka, Andhra Pradesh (now AP & Telangana).

Subject Analysis:

• High-probability GS-1 & GS-2 overlap topic on river basin management and inter-state disputes.

• Important for prelims mapping (Krishna tributaries) and mains on federal water conflicts.

GS–1 | WORLD HISTORY & CULTURAL LINKS

2. Valley of the Kings (Egypt)

Subtopic: Ancient Civilisations, Rock-Cut Burial Architecture

Value Addition:

• Location: Western bank of the Nile, near ancient Thebes (modern Luxor).

• Historical Period: New Kingdom of Egypt (18th–20th dynasties, 1539–1077 BCE).

• Purpose: Royal necropolis for pharaohs, queens, royal children, elites.

• Architectural Shift:

  • Transition from pyramids to rock-cut tombs for better security.

• Tomb Structure:

  • Small concealed entrance.

  • Descending corridors leading to burial chamber.

  • Sarcophagus at deepest chamber.

• Funerary Goods: Furniture, jewellery, textiles, daily-use objects (belief in afterlife continuity).

• Largest Tomb: Sons of Ramses II (most elaborate).

• Looting History:

  • Looted during New Kingdom.

  • 21st dynasty relocated mummies to protect them.

• Tutankhamun’s Tomb: Only largely intact tomb discovered (ruled 1333–1324 BCE).

• UNESCO Status: Included in 1979 under “Ancient Thebes and its Necropolis.”

• Current Context: Discovery of Tamil Brahmi inscriptions indicates ancient Indo-Egyptian trade links.

Subject Analysis:

• GS-1 relevance for ancient civilisations & cross-cultural exchanges.

• Can be used in mains to highlight India’s ancient maritime trade networks.

GS–2 | INTERNATIONAL INDICES

3. Corruption Perceptions Index (CPI)

Subtopic: Governance Indicators, Transparency Assessment

Value Addition:

• Published By: Transparency International (since 1995).

• Purpose: Measures perceived levels of public sector corruption.

• Scoring Scale: 0 (highly corrupt) to 100 (very clean).

• Data Sources: Minimum 3 of 13 global datasets.

• Supporting Institutions: World Bank, World Economic Forum, etc.

• Global Highlights:

  • Least corrupt: Denmark, Finland, Singapore.

  • Most corrupt: South Sudan, Somalia, Venezuela.

• India’s Rank (2025): 91 (improved from 96 in 2024).

Subject Analysis:

• High-value GS-2 topic on governance benchmarking and perception-based metrics.

• Useful in mains answers on anti-corruption reforms & institutional transparency.

GS–3 | BIOMEDICAL SCIENCE

4. Lysosomal Storage Disorders (LSDs)

Subtopic: Genetic Disorders, Rare Diseases

Value Addition:

• Definition: Inherited metabolic disorders causing toxic accumulation in lysosomes.

• Cause: Deficiency of specific enzymes required to break down lipids, sugars.

• Examples: Gaucher, Pompe, Fabry, MPS I & II, mucolipidoses.

• Genetics:

  • Mostly autosomal recessive.

  • Exceptions: Hunter syndrome (MPS II), Fabry (X-linked).

• Onset: Usually prenatal/early childhood; rare adult onset.

• Pathology: Organ enlargement, neurological damage, reduced life expectancy.

• Treatment: Symptom management, enzyme replacement therapy (no complete cure).

• Current Context: India’s first national government-supported biobank for LSD research.

Subject Analysis:

• GS-3 relevance for genetic diseases, biomedical research infrastructure.

• Useful for mains on rare disease policy & biobanking ethics.

5. Network Readiness Index (NRI) 2025

Subtopic: Digital Economy Assessment

Value Addition:

• Published By: Portulans Institute.

• Coverage: 127 economies.

• Pillars: Technology, People, Governance, Impact.

• Indicators: 53 metrics measuring ICT infrastructure & digital readiness.

• India’s Rank: 45 (improved by 4 places).

• Top Indicators:

  • Rank 1: AI publications, ICT services exports, telecom investment.

  • Rank 2: FTTH subscriptions, mobile broadband traffic.

  • Rank 3: Domestic market scale.

• Income Group Position: 2nd among lower-middle-income countries.

Subject Analysis:

• High-yield prelims topic on digital governance & ICT competitiveness.

GS–3 | CLIMATE GOVERNANCE

6. Science Based Targets Initiative (SBTi)

Subtopic: Corporate Climate Action, Paris Agreement Alignment

Value Addition:

• Nature: Global corporate climate action body.

• Objective: Align corporate emissions targets with 1.5°C pathway.

• Paris Agreement Alignment: Ensures science-based emission reductions.

• Founding Partners:

  • World Resources Institute

  • CDP

  • United Nations Global Compact

  • World Wide Fund for Nature

• Legal Status: Incorporated in UK (2023).

• Scale: 10,000+ companies committed globally (April 2025).

• Benefits:

  • Enhances climate risk management.

  • Improves investor confidence.

  • Boosts ESG credibility.

Subject Analysis:

• GS-3 relevance for corporate climate responsibility & net-zero pathways.

• Useful for mains answers on private sector role in climate mitigation.