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Subject: Science and Technology

  • The upskilling gap: why women risk being left behind by AI

    Introduction

    As India moves toward an AI-intensive economic model, access to time for learning and self-development has become a decisive factor in labour market outcomes. Time Use Survey (2019) data reveals that working women in India spend 10 hours less per week on self-development than men, primarily due to disproportionate unpaid care responsibilities. This time deficit risks excluding women from AI-enabled productivity gains, reinforcing occupational segregation and low-wage employment.

    Why in the News?

    The article highlights a first-order structural risk: while AI adoption accelerates, women’s ability to upskill is constrained by time poverty rather than lack of intent or capability. This marks a departure from earlier debates that focused on access to education or labour participation. The scale of the issue is substantial, women work longer total hours per day than men (9.6 vs 8.6 hours) when paid and unpaid work are combined. Yet, women lose out on rest, leisure, and learning time. This creates a persistent disadvantage in an economy increasingly driven by algorithmic efficiency and skill intensity.

    What does India’s Time Use Data reveal about gendered work patterns?

    1. Combined Workload: Working women spend 9.6 hours/day on paid and unpaid work compared to 8.6 hours/day for men.
    2. Unpaid Care Work: Women undertake nearly double the unpaid work of men, especially in childcare, eldercare, cooking, and cleaning.
    3. Age-Specific Burden: The gender gap peaks in the 30-39 age group, coinciding with prime career years and child-rearing responsibilities.

    Why does unpaid work translate into an upskilling disadvantage?

    1. Time Deficit: Women spend 10 fewer hours per week on self-development activities than men.
    2. Opportunity Cost: Reduced time for skill acquisition limits transition to high-value, AI-complementary roles.
    3. Cumulative Effect: Persistent time poverty compounds across years, reinforcing occupational stagnation.

    How does AI intensify existing labour market inequalities for women?

    1. Algorithmic Bias: AI performance metrics penalise career breaks and irregular work histories.
    2. Occupational Traps: Women are overrepresented in low-paid, automation-prone jobs and unpaid family work.
    3. Invisible Labour: Care work remains uncaptured by productivity metrics, excluding women from AI-led recognition systems.

    Why are women more vulnerable to exclusion from AI-led productivity gains?

    1. Skill Transition Barriers: AI rewards continuous learning, which women lack time to pursue.
    2. Sectoral Segregation: Women’s concentration in informal and care-intensive sectors limits AI exposure.
    3. Labour Force Exit: Over 40% of women outside the labour force cite household responsibilities as the primary reason.

    Why is this a macroeconomic and governance challenge, not just a gender issue?

    1. Productivity Loss: Underutilisation of women’s human capital reduces aggregate growth.
    2. Demographic Dividend Risk: Exclusion of women weakens India’s long-term workforce potential.
    3. Inclusive Growth Failure: AI-led growth without gender equity risks widening income and skill inequalities.

    Policy Implications 

    1. Workplace Redesign
      1. Time Recognition: Integrates unpaid care work into productivity assessments.
      2. Flexibility: Supports hybrid work models aligned with care responsibilities.
    2. Infrastructure Support
      1. Care Services: Expands childcare, eldercare, and safe public transport.
      2. Utilities Access: Reduces time spent on water, fuel, and energy collection.
    3. Skill Policy Reorientation
      1. Time-Saving Learning Models: Encourages modular, flexible, and remote upskilling formats.
      2. Targeted AI Skilling: Prioritises women-centric AI and digital training initiatives.
    4. Budgetary Prioritisation
      1. Gender Budgeting: Aligns public expenditure with time-saving social infrastructure.
      2. Outcome Metrics: Tracks women’s skill mobility and wage progression.

    Conclusion:

    An AI-driven growth strategy that overlooks women’s time poverty and unpaid care work risks deepening structural inequalities and weakening India’s human capital base. Integrating care responsibilities into economic planning, skill policy, and public expenditure is essential to ensure that technological progress translates into inclusive, equitable, and sustainable development.

    PYQ Relevance

    [UPSC 2023] Distinguish between ‘care economy’ and ‘monetized economy’. How can care economy be brought into monetized economy through women empowerment?

    Linkage: The question addresses structural issues of inclusive growth, gender inequality, and human capital formation, which are recurring themes in GS-III (Economy) and GS-I (Society).

  • NASA Loses Contact with MAVEN  

    Why in the News?

    The National Aeronautics and Space Administration has lost contact with its Mars orbiter Mars Atmosphere and Volatile Evolution (MAVEN), which has been studying the Red Planet’s atmosphere for over a decade.

    About MAVEN Mission

    • Launch: by NASA
    • Launch site: Cape Canaveral, Florida
    • Mars orbit insertion: September 2014
    • Mission type: Mars orbiter
    • Primary objective: Study the loss of Mars atmosphere to space

    Scientific Objectives

    • Measure the thin upper atmosphere of Mars
    • Study the ionosphere, which consists of charged particles
    • Observe interaction of sunlight and solar wind with the Martian atmosphere
    • Explain how Mars changed from a warm and wet planet to a cold and dry one
    [2016] Consider the following statements: The Mangalyaan launched by ISRO: 

    1. is also called the Mars Orbiter Mission. 

    2. made India the second country to have a spacecraft orbit the Mars after USA. 

    3. made India the only country to be successful in making its spacecraft orbit the Mars in its very first attempt. 

    Which of the statements given above is/are correct? 

    (a) 1 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3

  • Anjadip Inducted into Indian Navy  

    Why in the News?

    The Indian Navy received Anjadip, the third of eight Anti Submarine Warfare Shallow Water Craft (ASW SWC), on December 22, 2025 at Chennai.

    About Anjadip and ASW SWC Project

    • Type: Anti Submarine Warfare Shallow Water Craft
    • Role: Anti submarine warfare, coastal surveillance, mine laying
    • Length: Around 77 metres
    • Propulsion: Waterjets
    • Distinction: Largest Indian naval warships propelled by waterjets

    Builder and Collaboration

    • Designed and built by Garden Reach Shipbuilders and Engineers
    • Project executed under Public Private Partnership
    • Private partner: Larsen and Toubro Shipyard, Kattupalli
    • Classification: Built as per Indian Register of Shipping rules
    [2016] Which one of the following is the best description of ‘INS Astradharini’, that was in the news recently? 

    (a) Amphibious warfare ship 

    (b) Nuclear-powered submarine 

    (c) Torpedo launch and recovery vessel 

    (d) Nuclear-powered aircraft carrier 

  • Dark Eagle Hypersonic Missile System

    Why in the News?

    The United States Army and United States Navy have successfully completed integrated testing of the Dark Eagle Long Range Hypersonic Weapon (LRHW) system.

    About Dark Eagle Hypersonic Missile System

    • Hypersonic missile system developed for the United States Army
      Non nuclear, ground-launched weapon system
      • Designed for strategic attack missions
      • Developed by Lockheed Martin and Northrop Grumman
      • Intended to penetrate Anti Access Area Denial (A2 AD) environments

    Strategic Role

    • Suppresses long range enemy fires
      • Penetrates advanced missile defense systems
      • Delivers rapid, precise, and time critical strikes
      • Enhances conventional deterrence without nuclear escalation

    Prelims Pointers

    • Country: United States
      • Type: Ground launched hypersonic weapon
      • Nuclear status: Non nuclear
      • Speed: Up to Mach 17
      • Key component: Common Hypersonic Glide Body
      • Objective: Penetration of A2 AD defenses
    [2022] Which one of the following statements best reflects the idea behind the “Fractional Orbital Bombardment System” often talked about in media?

     (a) A hypersonic missile is launched into space to counter the asteroid approaching the Earth and explode it in space. 

    (b) A spacecraft lands on another planet after making several orbital motions. 

    (c) A missile is put into a stable orbit around the Earth and deorbits over a target on the Earth. 

    (d) A spacecraft moves along a comet with the same speed and places a probe on its surface.

  • Annatto

    Why in the news?

    • As informed by the Council of Scientific and Industrial Research (CSIR), the CSIR–Central Food Technological Research Institute (CFTRI), Mysuru has undertaken four Grant-in-Aid projects related to the study and development of annatto.

    What is Annatto?

    • Annatto is a natural food colouring and flavouring agent.
    • Obtained from the seeds of the achiote tree (Bixa orellana).

    Origin & Botanical Facts

    • Scientific name: Bixa orellana
    • Native region: Tropical regions of the Americas
    • Plant type: Shrub/small tree
    • Usable part: Seed coating

    Key Chemical Constituents

    • Contains carotenoids (plant pigments)
      • Responsible for yellow-orange colour
    • Rich in:
      • Antioxidants
      • Tocotrienols (a form of Vitamin E)
      • Antimicrobial compounds

    Uses of Annatto

    Food Industry

    • Accounts for ~70% of natural food colours used globally
    With reference to ‘palm oil,’ consider the following statements: (2021)

    1. The palm oil tree is native to Southeast Asia. 

    2. Palm oil is a raw material for some industries producing lipstick and perfumes. 

    3. Palm oil can be used to produce biodiesel. 

    Which of the statements given above are correct? 

    (a) 1 and 2 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2, and 3

  • Kavach System – Automatic Train Protection (ATP)

    Why in the News?

    • The Union Railway Minister informed the Lok Sabha during the Winter Session of Parliament that the indigenously developed Kavach system has been fully commissioned on over 2,000 km of the Indian Rail network.
    • The rollout is progressing at a very fast pace across multiple railway zones.

    What is Kavach?

    • Kavach is an indigenous Automatic Train Protection (ATP) system.
    • It is designed to prevent train collisions, over-speeding, and signal passing at danger (SPAD).
    • It enhances operational safety through real-time monitoring and automatic intervention.

    Development and Agencies Involved

    • Developed by:
      • Research Design and Standards Organisation (RDSO) under Indian Railways
    • Industry partners:
      • Medha Servo Drives Pvt. Ltd.
      • HBL Power Systems Ltd.
      • Kernex Microsystems

    Current Status (as of December 2025)

    • 7,129 km of Optical Fibre Cable laid
    • 860 telecom towers installed
    • 767 railway stations connected to data centres
    • Trackside equipment deployed along 3,413 km
    • 4,154 locomotives equipped with Kavach
    • Around 40,000 technicians and operators trained

    Impact

    • Consequential railway accidents reduced by nearly 90%
    • Accidents declined from 135 (2014) to about 11 currently
    • Demonstrates tangible improvement in railway safety outcomes
    Consider the following statements: (2025)

    I. Indian Railways have prepared a National Rail Plan (NRP) to create a future ready railway system by 2028.

    II. ‘Kavach’ is an Automatic Train Protection system developed in collaboration with Germany.

    III. ‘Kavach’ system consists of RFID tags fitted on track in station section.

    Which of the statements given above are not correct?

    (a) I and II only 

    (b) II and III only 

    (c) I and III only 

    (d) I, II and III

  • DHRUV64 Microprocessor

    Why in the News?

    India has unveiled DHRUV64, its first fully indigenously developed microprocessor, marking a major milestone in semiconductor self reliance and Atmanirbhar Bharat.

    About DHRUV64

    Fully indigenous microprocessor developed in India
    • Developed by the Centre for Development of Advanced Computing (C DAC)
    • Part of the Microprocessor Development Programme (MDP)

    Key Technical Features

    64 bit dual core processor
    Clock speed of 1.0 GHz ( Very low compared to recent chips like Snapdragan clock speed more 4.0 GHz)
    • Uses superscalar execution allowing multiple instructions simultaneously
    • Supports out of order execution for improved performance
    • Integrated communication and control functions
    • Uses FCBGA packaging, enabling compact and system ready design

    Potential Applications

    Strategic applications and commercial computing
    5G infrastructure
    Automotive electronics
    Consumer electronics
    Industrial automation
    Internet of Things (IoT) systems

    Significance for India

    • Reduces dependence on foreign microprocessors
    • Strengthens domestic semiconductor ecosystem
    • Enables startups, academia and industry to design and test indigenous systems
    • Supports low cost prototype development for new system architectures
    • Enhances technological sovereignty and national security

    When the alarm of your smart-phone rings… which one of the following terms best applies to the above scenario? (2018)

    (a) Border Gateway Protocol 

    (b) Internet of Things 

    (c) Internet Protocol 

    (d) Virtual Private Network

  • Ekam AI and Project SAMBHAV

    Why in the News?

    During Vijay Diwas celebrations, the Indian Army showcased indigenous defence technologies including Ekam AI and Project SAMBHAV, highlighting progress in defence indigenisation and secure digital capabilities.

    About Ekam AI

    Fully indigenous and secure Artificial Intelligence platform
    • Designed for sensitive and classified environments
    • No dependence on foreign software or external cloud systems

    Key Features of Ekam AI

    Data analysis, document management and decision support
    User friendly AI accessible across all personnel levels
    • No requirement of specialised technical expertise
    • Ensures data security and digital sovereignty

    Significance of Ekam AI

    • Strengthens national data sovereignty
    • Reduces strategic dependence on foreign AI platforms
    • Builds trusted national digital infrastructure

    About Project SAMBHAV

    Portable satellite based communication system
    • Developed by the Indian Army
    • Provides mobile connectivity in remote, border and disaster affected areas

    Key Features of Project SAMBHAV

    Rapid deployment capability
    • Functions in network denied areas
    • Supports military operations and civilian disaster response

    Significance of Project SAMBHAV

    • Enhances communication resilience
    • Strengthens national disaster management infrastructure
    • Demonstrates dual use defence technology

    What is Vijay Diwas

    • Observed annually on 16 December
    • Commemorates India’s victory in the 1971 India Pakistan War
    • Led to the liberation of Bangladesh

    Consider the following statements: (2023)

    1. Ballistic missiles are jet-propelled at sub-sonic speeds throughout their fights, while cruise missiles are rocket-powered only in the initial phase of flight. 

    2. Agni-V is a medium-range supersonic cruise missile, while BrahMos is a solid-fu-elled intercontinental ballistic missile. 

    Which of the statements given above is/ are correct? 

    (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2

  • Gestational Diabetes Mellitus (GDM) 

    Why in the News?

    • A large multi-city study highlights the high prevalence of early GDM in Indian women
    • Early GDM linked with higher future diabetes risk

    What is GDM?

    Gestational Diabetes Mellitus is glucose intolerance first diagnosed during pregnancy
    • Affects about 14 percent of pregnancies worldwide

    Types of GDM

    Early GDM (EGDM): Diagnosed before 20 weeks of pregnancy
    Late GDM (LGDM): Diagnosed between 24 to 28 weeks

    STRiDE Study

    • Conducted at 7 antenatal clinics
    • Sample size: over 3000 pregnant women
    • Locations: Chennai, Hyderabad, Puducherry
    • Published in Diabetes Research and Clinical Practice

    Key Findings

    Early GDM prevalence: 21.5 percent
    Late GDM prevalence: 19.5 percent
    • Early GDM affects about 1 in 5 pregnant women

    A company marketing food product advertises that its items do not contain trans-fats. What does this campaign signify to the customers? (2011)

    1. The food products are not made out of hydrogenated oils. 

    2. The food products are not made out of animal fats/oils. 

    3. The oils used are not likely to damage the cardiovascular health of the consumers. 

    Select the correct answer using the code given below: 

    (a) 1 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3

  • BlueBird 6 Satellite and LVM 3

    Why in the News?

    The Indian Space Research Organisation ISRO is scheduled to launch the BlueBird 6 satellite, developed by US based AST SpaceMobile, on 21 December 2025 using India’s heavy lift rocket LVM 3.

    About BlueBird 6 Satellite

    Developer: AST SpaceMobile USA
    Purpose: Provides direct to device internet connectivity, enabling normal mobile phones to access broadband without dependence on ground based cell towers
    Weight: Around 6.5 tonnes, making it among the heaviest commercial satellites launched by ISRO
    Orbit: Low Earth Orbit LEO
    Technology: Equipped with one of the largest phased array antennas ever deployed in space, covering nearly 2,400 square feet
    • Capable of direct communication with standard smartphones
    Significance: Enhances global mobile broadband connectivity, particularly in remote and rural regions
    Strategic importance: Strengthens Indo US space cooperation and expands commercial space launch collaboration
    Future impact: Helps bridge the digital divide by providing internet access in regions without cellular infrastructure

    About LVM 3

    • Full name: Launch Vehicle Mark 3
    • Also called GSLV Mk III or Bahubali
    • India’s heavy lift launch vehicle developed by ISRO
    • Designed for large satellite launches and human spaceflight missions

    With reference to India’s satellite launch vehicles, Consider the following statements: (2018)

    1. PSLVs launch the satellites useful for Earth resources monitoring whereas GSLVs are designed mainly to launch communication satellites. 

    2. Satellites launched by PSLV appear to remain permanently fixed in the same position in the sky, as viewed from a particular location on Earth. 

    3. GSLV Mk III is a four-stage launch vehicle with the first and third stages using solid rocket motors, and the second and fourth stages using liquid rocket engines. 

    Which of the statements given above is/ are correct? 

    (a) 1 only (b) 2 and 3 (c) 1 and 2 (d) 3 only