21 january 2026 - Daily Current Affairs Updates

GS–1 | WORLD GEOGRAPHY

1. Dardanelles Strait (Turkey)

Subtopic: Strategic Straits, Maritime Geography & Geopolitics

Value Addition:

• Geographic Location:

  • Narrow strait in north-western Turkey.

  • Separates Europe (west) from Asia (east).

• Sea Connectivity:

  • Connects the Aegean Sea (Mediterranean system) with the Sea of Marmara.

  • Along with the Bosphorus Strait, forms the only maritime link between the Black Sea and the Mediterranean Sea.

• Dimensions:

  • Length: ~61 km.

  • Width: 1.2 km (narrowest) to 6 km (widest).

  • Among the narrowest navigable international straits.

• Physical Features:

  • Gallipoli Peninsula lies on the western flank.

• Historical Background:

  • Named after the ancient city of Dardanus.

  • Known in antiquity as the Hellespont, linked to Greek mythology (Princess Helle).

• Strategic Importance:

  • Entirely under Turkish sovereignty.

  • Integral part of the Turkish Straits System (Dardanelles–Sea of Marmara–Bosphorus).

• Economic & Geopolitical Role:

  • Vital shipping corridor for Black Sea nations such as Russia and Ukraine.

  • Essential for movement of energy, grain, and bulk cargo to global markets.

• Ports Along the Strait:

  • Gallipoli, Eceabat, Çanakkale.

Subject Analysis:

• High-yield GS-1 topic for straits mapping, continental boundaries, and maritime geopolitics.

• Frequently linked with questions on strategic waterways and global trade routes.

GS–1 | INDIAN GEOGRAPHY / WETLANDS

2. Neknampur Lake (Hyderabad, Telangana)

Subtopic: Urban Wetlands, Historical Water Management

Value Addition:

• Alternate Name: Ibrahim Bagh Cheruvu.

• Location: Southern part of Hyderabad, Telangana.

• Nature:

  • Man-made historic reservoir.

• Historical Origin:

  • Constructed in the 16th century during the Qutb Shahi dynasty.

  • Initially commissioned by Sultan Ibrahim Qutb Shah.

• Later Development:

  • Revitalised during the reign of Sultan Abdullah Qutb Shah.

  • A channel built by Neknam Khan enhanced its water supply, giving the lake its present name.

• Hydrological Significance:

  • Part of traditional tank-based water management systems of Deccan India.

• National Importance:

  • Recognised as the largest wetland of its kind in India.

• Contemporary Context:

  • Recent news highlights its location relevance in aviation safety and urban activity, underscoring coexistence of wetlands and cities.

Subject Analysis:

• Useful GS-1 example for historical water harvesting, urban geography, and wetland conservation.

• Can be linked to mains answers on urban flooding and heritage water systems.

GS–2 | POLITY & INTERNATIONAL INSTITUTIONS

3. Conference of Speakers and Presiding Officers of the Commonwealth (CSPOC)

Subtopic: Parliamentary Diplomacy & Democratic Institutions

Value Addition:

• Nature:

  • Forum of Speakers and Presiding Officers of national parliaments from Commonwealth member states.

• Establishment:

  • Founded in 1969.

  • Initiated by Lucien Lamoureux, Speaker of the Canadian House of Commons.

• Secretariat Support:

  • Canada has consistently provided secretariat services since inception.

• Institutional Status:

  • Operates as an independent body.

  • Not formally affiliated with:

    • Commonwealth Parliamentary Association.

    • Commonwealth Secretariat.

    • Commonwealth Heads of Government.

• Meeting Cycle:

  • Two-year cycle.

  • Full conference every two years (usually January).

  • Standing Committee meets in the intervening year.

• Core Objectives:

  • Promote impartiality and fairness of Speakers.

  • Enhance understanding of parliamentary democracy across diverse systems.

  • Strengthen institutional capacity of legislatures.

• Recent Context:

  • 28th CSPOC inaugurated in New Delhi, highlighting India’s role in parliamentary diplomacy.

Subject Analysis:

• High-value GS-2 topic for parliamentary institutions, democratic norms, and soft power diplomacy.

GS–3 | AGRICULTURE & PLANT DISEASES

4. Root Wilt Disease (Coconut)

Subtopic: Crop Diseases, Plantation Agriculture

Value Addition:

• Causative Agent:

  • Phytoplasma (bacteria-like organism lacking cell wall).

• Disease Nature:

  • Non-fatal, but severely reduces productivity and economic lifespan of coconut palms.

• Historical Context:

  • First identified over 150 years ago in Erattupetta, Kerala.

• Major Affected Regions:

  • Kerala, Tamil Nadu, Karnataka.

• Transmission:

  • Spread through insect vectors.

  • Facilitated by wind movement and continuous coconut plantations.

• Soil Preference:

  • Occurs in all soils but spreads faster in sandy, sandy-loam, and alluvial soils.

• Accelerating Factors:

  • Erratic temperatures.

  • Emergence of new sap-sucking pests like whiteflies.

• Key Symptoms:

  • Tapering of trunk apex.

  • Reduced leaf size.

  • Flaccidity (abnormal bending of leaflets) – hallmark symptom.

  • Delayed flowering and sharp decline in nut yield.

• Overall Impact:

  • Gradual loss of productivity; palms become distorted and nut-less.

• Control Strategy:

  • Development and adoption of resistant or tolerant coconut varieties.

Subject Analysis:

• Important GS-3 topic linking plant pathology, farmer livelihoods, and climate stress.

• Useful for mains on sustainable plantation agriculture.

GS–3 | SPACE SCIENCE

5. Chang’e-6 Mission (China)

Subtopic: Lunar Exploration, Sample-Return Missions

Value Addition:

• Mission Type:

  • First mission to collect and return samples from the far side of the Moon.

• Programme:

  • Part of China’s Chang’e lunar exploration programme, named after the Moon goddess Chang’e.

• Launch Details:

  • Launched on 3 May 2024.

  • Vehicle: Long March-5 rocket.

  • Launch site: Wenchang Space Launch Center, Hainan Island.

• Mission Architecture:

  • Four components: Orbiter, Lander, Ascender, Returner.

• Sampling Methods:

  • Drilling for subsurface samples.

  • Robotic arm for surface regolith and rock collection.

• Far-Side Challenge:

  • No direct Earth communication.

  • Requires relay satellites for signal transmission.

• Landing Site:

  • South Pole–Aitken Basin (far side).

• Scientific Importance:

  • Basin is ~4 billion years old and ~2,500 km wide.

  • Exposes deep lunar material.

  • Samples support the giant impact hypothesis of Moon’s formation.

• Historic Achievement:

  • Second successful far-side landing after Chang’e-4 (2019).

Subject Analysis:

• High-probability GS-3 topic on space technology, planetary science, and lunar geology.

GS–3 | BIODIVERSITY & SPECIES DISCOVERY

6. Gegeneophis valmiki

Subtopic: Amphibian Diversity, Western Ghats Endemism

Value Addition:

• Species Type:

  • Rare subterranean amphibian (caecilian).

• Discovery Location:

  • Northern Western Ghats, Maharashtra.

• Naming Significance:

  • Named after Maharshi Valmiki Mandir near the discovery site.

• Taxonomy:

  • Genus: Gegeneophis (blind caecilians).

• Caecilian Characteristics:

  • Limbless, elongated, worm-like body.

  • Subterranean lifestyle; difficult to detect.

  • Eyes covered by skin and bone; no vocalisation.

• Ecological Role:

  • Improve soil aeration and structure through burrowing.

  • Regulate soil invertebrate populations.

  • Serve as prey for birds, reptiles, small mammals.

• Evolutionary Significance:

  • Important link between aquatic and terrestrial vertebrates.

• Global Context:

  • Only 231 caecilian species worldwide out of ~9,000 amphibians.

• Indian Context:

  • India has 42 caecilian species out of 457 amphibians.

  • Western Ghats host 26 endemic caecilians; 11 belong to Gegeneophis.

• Scientific Importance:

  • First new Gegeneophis species described in over a decade.

Subject Analysis:

• High-yield GS-3 topic on species discovery, endemism, and soil-ecosystem services.

• Frequently used in prelims for new species identification and biodiversity hotspots.