UPSC CSE GS Foundation ()
UPSC CSE GS Foundation ()

Current Affairs – January 07, 2026

{GS2 – Polity} Special Intensive Revision (SIR) Accused of Being a ‘Parallel NRC’

  • Context (TH): Amid the deletion of nearly 19% voters in Uttar Pradesh, the Election Commission defended Special Intensive Revision (SIR) against accusations of conducting a ‘parallel NRC’.

Arguments in Favour of SIR being a ‘Parallel NRC’

  • Burden Shift: SIR shifts the burden of proof by forcing citizens to re-verify their status, similar to NRC’s “guilty until proven citizen” approach.
  • Citizenship Audit: Granular verification requires citizenship documents beyond residence proof, turning voter revision into a citizenship verification audit.
  • Deletion Scale: The sheer volume of deletions, like the 19% rate in Uttar Pradesh, appears unusual for standard death and migration corrections.
  • Document Rigour: Scrutiny or rejection of standard documents such as Aadhaar or ration cards reflects the evidentiary criteria applied in Assam NRC’s List-A and List-B.
  • Stateless Risk: Without a voter ID, individuals risk losing welfare access, creating a class of doubtful citizens akin to Assam’s D-Voter group.

Arguments Against SIR being a ‘Parallel NRC’

  • Constitutional Duty: Article 324 empowers the EC to ensure that electoral rolls are free of ineligible voters, distinct from the maintenance of the citizenship register under the Citizenship Act, 1955.
  • Limited Scope: Unlike the NRC’s universal coverage, electoral rolls only list citizens who are eighteen or older and of sound mind.
  • No Citizenship Loss: Removal from electoral rolls only bars voting rights and does not terminate or question legal citizenship status.
  • Ghost Removal: A high deletion rate reflects past inefficiencies in electoral roll maintenance rather than targeted disenfranchisement.
  • Reversibility Clause: Unlike permanent NRC exclusion, electoral roll deletions remain reversible at any time through Form-6 reapplication procedures.

Way Forward

  • Uniform SOPs: Codify uniform Intensive Revision procedures to prevent arbitrary voter deletions by booth-level officers.
  • Judicial Oversight: Establish a limited judicial monitoring mechanism to supervise large-scale claims and objections during intensive roll revisions.
  • Mandatory Notice: Mandate digital or postal notices for each deletion, explicitly stating the specific legal and factual reasons.
  • CRS Integration: Integrate electoral rolls with the Civil Registration System to automate voter enrolment and removal using birth and death data.
  • Data Transparency: Share anonymised SIR datasets with political parties to demonstrate demographic neutrality and foster institutional trust.

Read More > Special Intensive Revision of Electoral Rolls

{GS2 – IR} Renewed U.S. Interest in Acquiring Greenland *

Greenland

  • It is the world’s largest non-continental island, located between the Arctic and Atlantic Oceans.
  • Nearly 80% of Greenland is covered by the world’s second-largest ice sheet, after Antarctica.
  • It is home to Kaffeklubben Island, the northernmost point of land in the world.
  • Geographically part of North America but geopolitically linked to Europe, it’s an autonomous territory of Denmark.
  • Greenland manages internal affairs, while Denmark controls foreign policy, defence, and currency.
  • It falls under NATO Article 5 protection but is not part of the European Union.

Significance of Greenland for the United States

  • Arctic Rivalry: Global warming is opening Arctic shipping routes, positioning Greenland at the centre of U.S.–Russia–China rivalry for access to the Arctic region.
  • GIUK Gap: Greenland is part of the Greenland–Iceland–UK Gap, a strategic chokepoint for monitoring naval movements in the North Atlantic.
  • Military infrastructure: The U.S. operates the Pituffik Space Base in northern Greenland, supporting missile warning systems against Russia, China, and North Korea
  • Critical Minerals: Greenland hosts some of the world’s largest untapped deposits of Rare Earth Elements (REE), vital for EVs, electronics, and defence supply chains.

Read More > US Interest in Greenland

{GS3 – IE} Government Creates Three-Year PPP Project Pipeline

  • Context (IE | BS): The Ministry of Finance has created a three-year Public-Private Partnership (PPP) project pipeline (FY26–FY28), in line with the Union Budget 2025-26 announcement.
  • It is a roadmap prepared by the Department of Economic Affairs (DEA) listing 852 infrastructure projects across the Centre and the States.
  • Objective: Provide early visibility into potential projects for global and domestic investors, enabling long-term planning and bridging infrastructure financing gaps.
  • Sectoral Focus: Includes transport, energy, railways, water, and sanitation; state projects also cover social and commercial infrastructure.
  • Integration: Project planning is integrated with the PM Gati Shakti portal for data-driven execution; states can seek financial assistance from the India Infrastructure Project Development Fund (IIPDF).

Significance of the PPP Project Pipeline

  • Growth Engine: As public spending nears fiscal limits, the pipeline mobilises private capital to sustain India’s goal of a $5 trillion to $7 trillion economy.
  • Investor Confidence: Early visibility into bankable projects reduces perceived risks, enabling long-term allocations by global and domestic investors.
  • Asset Recycling: Working with the National Monetisation Pipeline (NMP), it channels brownfield proceeds into new greenfield projects identified in this 3-year PPP pipeline.
  • Balanced Risks: It promotes the adoption of modern PPP models such as HAM and DBFOT, which equitably share construction and revenue risks.
  • Contract Standardisation: Bulk project planning promotes the adoption of Model Concession Agreements (MCAs), lowering disputes and transaction costs.
  • Global Competitiveness: It helps reduce logistics costs through over 200 transport projects, thereby enhancing the competitiveness of Indian exports.
  • Multiplier Effect: According to RBI estimates, every ₹1 invested in infrastructure yields ₹2.5–₹3 in GDP, implying strong medium-term real GDP growth from the pipeline.

Read More > PPP Model Significance & Challenges

{GS3 – Infra} Railway Electrification in India **

  • Context (NOA | PIB): Indian Railways has electrified ~99.2% of its 70,001 route-km Broad Gauge network, becoming the world’s largest electrified rail system.

Current Status of Railway Electrification

  • Network Coverage: About 69,427 route-km electrified, with only 574 route-km (0.8%) pending across five States, while 25 States/UTs are fully electrified.
  • Pace Acceleration: Electrification speed jumped from ~1.42 km/day (2004–14) to 15+ km/day (2019–25), reflecting mission-mode execution.
  • Decadal Leap: Nearly 46,900 route-km electrified between 2014 and 2025, accounting for over two-thirds of today’s electrified network.

Technological Innovations in Railways

  • Mechanised Foundations: Cylindrical auger-based foundations replaced manual excavation, significantly cutting time and labour intensity.
  • Automatic Wiring Trains: Enabled simultaneous catenary and contact wire installation with precision tensioning, accelerating project delivery.
  • Standardisation: Uniform electrification standards improved safety, quality control, and interoperability. E.g., pan-India adoption of 25 kV AC electrification standards ensures seamless locomotive movement

Strategic Significance of Railway Electrification

  • Energy Security: Electrification has reduced diesel dependence, cutting exposure to imported fuel price shocks; electric traction is ~70% cheaper than diesel per km.
  • Cost Efficiency: Indian Railways saves ₹2,000–2,500 crore annually in fuel costs due to a large-scale shift from diesel to electric locomotives, improving operating ratios.
  • Emission Reduction: Full electrification is estimated to cut ~60 million tonnes of CO₂ annually by replacing diesel traction, supporting India’s Net-Zero 2070 pathway.
  • Renewable Integration: With 898 MW solar capacity (Nov 2025) up from 3.68 MW in 2014, about 70% (629 MW) directly supports traction, lowering grid and fossil reliance.
  • Operational Efficiency: Electric locomotives offer 20–25% higher hauling capacity and better acceleration, enabling faster freight turnaround and higher line capacity utilisation.
  • Global Leadership: At 99.2% electrification, India now exceeds China (82%), Japan (64%), and the UK (39%), positioning itself among the world’s top electrified rail networks.

Key Facts about Indian Railways

  • Extensive Network: With over 68,000 km of track, Indian Railways is the 4th largest railway network globally, after the US, Russia, and China, making it a crucial backbone for national transport.
  • Massive Passenger Traffic: Serving approximately 23 million passengers daily, Indian Railways is vital in connecting remote regions and urban centres, contributing to economic and social mobility.
  • Efficient Freight Movement: So far in this financial year (FY25), freight volumes reached 906.9 MT, marking a 2.2% increase, with significant growth in container (7.7%).
  • Rail Safety: Consequential rail accidents have dropped by 80% from 2016-21, a testament to ongoing safety measures. However, more than 95% of accidents are still attributed to driver error.

{GS3 – Envi} Indore Water Crisis

  • Context (DTE): Recent 15 deaths in Indore due to contaminated water have triggered outrage, but audit data reveal that Bhopal has faced a far deeper, long-running waterborne disease burden.

Waterborne Disease Burden in MP

  • High Disease Burden: Between 2013–2018, over 5.45 lakh waterborne disease cases were reported in Indore and Bhopal combined, with Bhopal alone accounting for ~4 lakh severe diarrhoea cases.
  • Disease Profile: Bhopal recorded 4.39 lakh diarrhoea, 39,481 typhoid, and 23,875 viral hepatitis cases, far exceeding Indore’s numbers (CAG, 2019).

National Status of Waterborne Diseases

  • High Overall Burden: An estimated ~37.7 million Indians are affected by waterborne diseases each year, with diarrhoeal infections causing significant morbidity and mortality.
  • Child Health Impact: Historically, around 117,000 children under five died annually from diarrhoea, attributed to contaminated water and poor sanitation.
  • Economic and Social Costs: Waterborne diseases result in ~73 million lost workdays per year and impose an economic burden of about $600 million annually.

Reasons Behind the MPs’ Water Crisis

Testing–Disease Contradiction

  • Sampling Paradox: Bhopal tested ~3 lakh water samples (2013–18) with relatively fewer failures, yet showed much higher disease incidence, indicating gaps in testing reliability or follow-up.
  • Indore’s Failure Rate: In Indore, ~4,000 samples failed standards out of ~10,500 tested, a far higher proportion despite fewer tests.
  • State Lab Findings: Joint samples tested by the State Research Laboratory (2018) found faecal coliform (30–60 counts vs BIS norm of zero) but were denied by both municipal corporations.

Key Structural Issues

  • Infrastructure Decay: In urban India, ~40% of water is lost as Non-Revenue Water, and ageing pipelines with sewage overlap are a leading cause of faecal contamination in cities like Bhopal.
  • Accountability Vacuum: Between 2013–18, ₹1,371 crore remained unspent by Bhopal and Indore municipal bodies, showing failure of financial accountability despite high disease burden.

Way Forward

  • Pipeline Integrity: Prioritise replacement of ageing water lines and sewage-water separation; E.g., Chennai’s pressure-managed zones cut contamination complaints by ~30%.
  • Risk-Based Surveillance: Link water testing to disease hotspots rather than routine sampling; E.g., Surat’s post-plague model reduced waterborne outbreaks despite rapid urban growth.
  • Community Monitoring: Enable ward-level water safety committees and rapid testing kits; E.g., Kerala’s Jalanidhi project improved rural-urban water safety through community oversight.

{GS3 – S&T} Biomaterials **

  • Context (TH): With the global shift toward low-carbon, circular production systems, biomaterials are emerging as a critical alternative to fossil-based plastics, textiles, and industrial materials.

What are Biomaterials?

  • Biomaterials are materials derived wholly or partly from biological sources, or produced using biological processes, designed to replace or interact with conventional materials across sectors such as packaging, textiles, construction, and healthcare.

Types of Biomaterials

  • Drop-in Biomaterials: Chemically identical to petroleum-based materials and compatible with existing infrastructure (e.g., bio-PET).
  • Drop-out Biomaterials: Chemically different materials requiring new processing or disposal systems (e.g., PLA – polylactic acid).
  • Novel Biomaterials: Materials with new functionalities like self-healing, bio-activity, or tissue regeneration (e.g., biomedical scaffolds).

India’s Current Status of Biomaterials

  • Market Size: India’s bioplastics market is valued at ~USD 500 million (2024) & is expected to boom.
  • Major Investments: Balrampur Chini Mills’ large PLA plant in Uttar Pradesh marks one of India’s biggest biomaterials investments.
  • Startup Innovation: Firms like Phool.co (temple waste biomaterials) and Praj Industries (bioplastics demo plants) are scaling innovation.

Significance of Biomaterials for India

  • Environmental Sustainability: Plastics contribute ~3.4% of global GHG emissions; India generates ~4.1 million tonnes of plastic waste annually, making bio-alternatives crucial.
  • Industrial Competitiveness: The Global bioplastics market is projected to reach USD 39–45 billion by 2030, requiring India to align with low-carbon trade norms.
  • Farmer Income Diversification: Biomaterials can valorise over 350 million tonnes of Agri-residue annually, reducing stubble burning and boosting rural incomes.
  • Import Substitution: India imports ~85% of its petrochemical feedstocks, exposing industry to shocks.

Key Challenges for India

  • Feedstock Competition: Sugarcane and maize already account for ~70% of India’s freshwater use, raising concerns about the food–fuel–material trade-off.
  • Environmental Stress: Agriculture accounts for ~80% of freshwater withdrawals, increasing the risk of soil degradation if biomass demand rises unchecked.
  • Waste-Management Gaps: Only ~30% of India’s plastic waste is effectively recycled, undermining the end-of-life benefits of compostable biomaterials.
  • Technology Dependence: Over 60% of advanced biopolymer processing and fermentation technologies are sourced from abroad, raising strategic vulnerability in scaling India’s biomaterials industry.

Way Forward

  • Manufacturing Scale-Up: Rapidly expand domestic fermentation and polymerisation capacity to reduce import dependence; E.g., UAE’s Emirates Biotech PLA plant shows how scale lowers costs.
  • Procurement Push: Leverage government purchasing power to create assured demand for biomaterials; E.g., the U.S. USDA BioPreferred Programme mandates bio-based products in federal procurement.
  • Regulatory Clarity: Establish uniform definitions, labelling standards and clear end-of-life pathways to build industry confidence; E.g., the EU’s Packaging & Packaging Waste Regulation.

{Prelims – A&C} Somnath Swabhiman Parv

  • Context (NIE): Somnath Swabhiman Parv has been launched to honour civilisational resilience, marking 1,000 years since Mahmud of Ghazni’s attack on the Somnath Temple.

About Somnath Temple

  • The Somnath Temple is revered as the first among the twelve Jyotirlingas of Lord Shiva.
  • It is located at Prabhas Patan, Gujarat, at the confluence of the Kapila, Hiran, and Saraswati rivers, where they meet the Arabian Sea.
  • Mythic Origins: Tradition attributes phased construction — first in gold by the Moon God, Somraj; then in silver by Ravana; and later in wood by Lord Krishna.
  • Reconstruction: Bhimdev I rebuilt it in stone after Mahmud of Ghazni’s attack in 1026 CE. It was renovated by Kumarapala (Chalukya) and later by Mahipala I after Alauddin Khalji’s attack in 1299.
    • Maratha queen Ahilyabai Holkar built a small temple (“Old Somnath”) next to the ruins in 1783 CE.
  • Architectural Style: The structure follows the Māru-Gurjara (Chaulukya) style featuring a Garbhagriha, Sabha Mandapa, and Nritya Mandapa.
  • Baan Stambh: The arrow pillar on the sea wall marks an unobstructed sea route to the South Pole.
  • Shrine Eternal: The temple was destroyed and rebuilt several times due to repeated attacks by Muslim invaders and the Portuguese; the present structure was completed in 1951.

Māru-Gurjara Architecture

  • It is a form of West Indian architecture that originated during the 11th and 13th centuries.
  • It synthesises the Maha-Maru tradition of Rajasthan and the Maha-Gurjara tradition of Gujarat.
  • The style flourished under Solanki patronage and is a sub-style of the Nagara tradition.
  • It is characterised by extreme ornamentation and complex geometric designs.
  • Key Feature: It uses intricate carvings across interiors, exteriors, pillars, and ceilings; exterior walls show multiple projections and recesses.
  • Components: Include Garbhagriha (inner sanctum), a Gudha-mandapa (closed hall), and a Sabha-mandapa (assembly hall), often fronted by a Kirti-torana (ceremonial arch).
    • The main Shikhara is often surrounded by smaller subsidiary spires, called Urushringas, creating a “mountain-like” appearance.
  • Major Examples: Sun Temple at Modhera, Dilwara Temples at Mount Abu, and Rani-ki-Vav at Patan.

{Prelims – Geo} Desilting of Salal Project

  • Context (TH): The Union Minister of Power directed sediment removal at the Salal Power Project to maximise water utilisation as the Indus Waters Treaty remains in abeyance.

About Salal Hydroelectric Project

  • The Salal Project is a run-of-the-river hydroelectric project on the Chenab River in Jammu & Kashmir.
  • It has a 690 MW capacity developed in two stages of 345 MW each.
  • The project is owned and operated by National Hydroelectric Power Corporation (NHPC).
  • It combines a concrete gravity dam and a rockfill dam to manage Chenab’s heavy silt load.
  • It was the first hydroelectric project built by India in the region under the Indus Waters Treaty (IWT).
  • Beneficiary States: J&K, Punjab, Haryana, Delhi, Himachal Pradesh, Rajasthan, and Uttar Pradesh.

About Indus Waters Treaty

  • The Indus Waters Treaty is a water-sharing agreement signed in 1960 between India and Pakistan, brokered by the World Bank.
  • River Allocation: The Treaty allocates the Ravi–Beas–Sutlej to India for full use, while the Indus–Jhelum–Chenab go to Pakistan, with limited non-consumptive Indian uses.
  • Permanent Body: It established the Permanent Indus Commission (PIC), with one Commissioner from each country, to meet annually and exchange hydrological data.

Chenab River

  • Origin: The Chenab originates at Tandi in Himachal Pradesh from the confluence of the Chandra and Bhaga streams.
  • Course: It flows through the Lahaul valley, enters Jammu and Kashmir, then Punjab (Pakistan), joining the Jhelum and Ravi to form the Panjnad before merging with the Indus.
  • Tributaries: Major left-bank tributaries include the Jhelum and Ravi in Pakistan, while the Marusudar is the largest right-bank tributary in J&K.
  • Hydropower Projects: Major projects include Salal, Baglihar, and Dul Hasti.
  • Chenab Bridge: It hosts the world’s highest railway arch bridge (359 meters above the riverbed), part of the Udhampur–Srinagar–Baramulla Rail Link.

Read More > Indus Water Treaty

{Prelims – Eco} NITI Aayog’s Trade Watch Quarterly Report *

  • Context (IE): NITI Aayog released the fifth Trade Watch Quarterly report, covering Quarter 1 of FY 2025-26, with a thematic focus on India’s automotive sector.

Key Insights from the Report

  • Trade Value: India’s combined merchandise and services trade reached $439 billion, with 3.5% year-on-year growth and a $21 billion deficit.
  • Service Growth: Services exports rose 10% year-on-year to $91 billion, generating a $48 billion surplus, led by IT and BPO services.
  • Merchandise Decline: Goods exports fell 2.1% to $112 billion while imports increased about 5% to $181 billion.
  • Deficit Driver: A 32% drop in petroleum exports drove an export decline, while imports of gold, silver, and electronics increased.
  • FTA Imbalance: The trade deficit with Free Trade Agreement (FTA) partners increased by 59.2%, while exports to the ASEAN region fell 16.9%.
  • Market Shift: India’s trade orientation is shifting from Western markets toward East Asia and the Middle East, with subdued demand in the US and Europe.

Insights for the Automotive Sector

  • Global Share: India holds about 1% of the $2.2 trillion global automotive market and a 9% share in the two-wheeler segment.
  • Export Gap: It has a negligible presence in the passenger vehicle segment and a rapidly expanding electric vehicle trade.
  • Report Recommendation: Lower import tariffs on automotive components to boost India’s integration into global value chains and prioritise passenger vehicle exports.

Read More > India’s Trade Deficit Surge

{Prelims – Envi} Two New Standard Certification Facilities Launched in CSIR-NPL

  • Context (PIB): The world’s second “National Environmental Standard Laboratory” and the world’s fifth “National Primary Standard Facility for Solar Cell Calibration” were inaugurated at the CSIR–NPL.

CSIR–National Physical Laboratory (CSIR–NPL)

  • Institution Role: CSIR–NPL in New Delhi is India’s premier measurement standards laboratory and is designated as the National Metrology Institute (NMI).
  • Metrology Role: It maintains Indian Standard Time (IST) using atomic clocks and calibrates national SI units, weights, and measures across India.
  • CRM Benchmarks: It develops and certifies Bharatiya Nirdeshak Dravya (BND) as a certified reference material (CRM) for scientific and industrial measurements.

National Environmental Standard Laboratory (NESL)

  • Facility Status: National Environmental Standard Laboratory (NESL) at CSIR–NPL is Asia’s first and the world’s second such certification facility, after the UK.
  • Testing Role: The laboratory tests and certifies air pollution monitoring equipment under Indian temperature, humidity, and dust conditions.
  • Economic Impact: It will reduce dependence on foreign certification agencies, save foreign exchange, and support domestic instrument manufacturing.

National Primary Standard Facility for Solar Cell Calibration

  • Facility Status: The National Primary Standard Facility at CSIR-NPL is India’s apex primary standard laboratory for solar photovoltaic metrology.
  • Global Standing: India becomes the fifth country, after the USA, Germany, China, and Japan, to have primary photovoltaic calibration standards.
  • Domestic Certification: The facility will enable Indian manufacturers to test and certify solar cells and modules within India.
  • Calibration Method: It uses a laser-based Differential Spectral Responsivity (L-DSR) system co-developed with Germany’s PTB.
  • Measurement Accuracy: With just 0.35% measurement uncertainty, it has the highest precision for reference solar cell calibration.

{Prelims – Species} Newly Discovered Reed Snake ‘Calamaria mizoramensis’ *

  • Context (HT): Researchers identified a new reed snake species, Calamaria mizoramensis, in Mizoram.
  • Reed snakes are small, non-venomous, elusive snakes native to South and Southeast Asia, primarily belonging to the genus Calamaria.

About Calamaria mizoramensis

  • Calamaria mizoramensis, commonly called the Mizoram reed snake, is a recently identified non-venomous snake species native to Mizoram.
  • Physical Traits: It is a small, slender, dark brown snake with faint longitudinal stripes and a distinct yellow underside.
  • Behaviour: The species is nocturnal and semi-fossorial, living partly underground or under leaf litter.
  • Habitat Preference: It inhabits montane evergreen forests and humid hill regions at elevations between 670 and 1,295 metres.
  • Distribution: The snake is currently confirmed only in Mizoram.

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