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Subject: Economics

  • Revenue Deficit and Fiscal Stress in States 

    Why in the News

    The Ministry of Finance in its Monthly Economic Review (April 2026) has warned that several Indian States with revenue deficits and high debt burdens may face fiscal stress, especially during economic shocks.

    What is Revenue Deficit

    • Occurs when revenue expenditure exceeds revenue receipts
    • Revenue expenditure includes:
      • Salaries
      • Pensions
      • Subsidies
      • Interest payments
    • Revenue receipts include:
      • Taxes
      • Fees
      • Non tax revenues

    Key Findings

    • Out of 18 major States analysed:
      • 9 States projected to have revenue deficit
      • 7 States projected to have revenue surplus
      • 1 State in revenue balance

    States with Revenue Deficit (Important)

    • Himachal Pradesh, Punjab, Kerala, Andhra Pradesh, Rajasthan, Haryana, Karnataka, Maharashtra, and Chhattisgarh.
    • Punjab has highest interest burden (22.8 percent of revenue receipts)

    States with Revenue Surplus

    • Odisha, Jharkhand, Uttar Pradesh, Goa, Gujarat, Uttarakhand, Telangana, and Bihar

    Key Concept

    • Golden Rule of Fiscal Policy
      • Governments should borrow only for capital expenditure
      • Revenue deficit should ideally be zero

    Fiscal Concerns

    • High interest payments reduce fiscal flexibility
    • Revenue deficit States may:
      • Cut productive expenditure (capital spending)
      • Seek higher central transfers
    • Limited ability to respond to economic shocks
    [2025] Suppose the revenue expenditure is ₹ 80,000 crores and the revenue receipts of the Government are ₹ 60,000 crores. The Government budget also shows borrowings of ₹ 10,000 crores and interest payments of ₹ 6,000 crores. Which of the following statements are correct? 
    I. Revenue deficit is ₹ 20,000 crores. 
    II. Fiscal deficit is ₹ 10,000 crores. 
    III. Primary deficit is ₹ 4,000 crores. 
    Select the correct answer using the code given below. 
    [A] I and II only [B] II and III only [C] I and III only [D] I, II and III
  • Increasing coverage, growing distress

    Why in the News?

    Recent NSS 80th Round (2025) data reveals a striking contradiction: health insurance coverage has increased significantly since 2017-18, yet hospitalisation rates have not improved and out-of-pocket expenditure has sharply increased, especially in private hospitals. This is significant because, for the first time, empirical evidence shows that government-funded insurance schemes are not delivering financial protection, and may even be benefiting relatively better-off groups.

    Why has increased insurance coverage not improved healthcare utilisation?

    1. Stagnant hospitalisation rates: NSS data shows hospitalisation rates remain below 2014 levels in rural areas and only marginally higher in urban areas.
    2. Shift to private care: Public hospital usage declined, while private sector reliance increased.
    3. Access barriers: Unavailability of medicines, diagnostics, and high transport costs reduce public healthcare utilisation.
    4. Inefficiency in coverage translation: Coverage expansion does not ensure actual service delivery or utilisation.

    Why is out-of-pocket expenditure increasing despite insurance schemes?

    1. Rising private sector costs: OOP expenditure increased >70% (rural) and ~80% (urban).
    2. Partial coverage: Insurance schemes often exclude diagnostics, medicines, and indirect costs.
    3. Additional charges: Despite coverage, patients are frequently charged extra in private hospitals.
    4. Low reimbursement rates: Below-market rates under PMJAY incentivise informal billing practices.

    Why are insurance schemes disproportionately benefiting the better-off?

    1. Urban bias: Only 13% of urban beneficiaries belong to the poorest class.
    2. Awareness gap: Poor households have lower awareness and utilisation capacity.
    3. Private sector access: Better-off groups are more capable of accessing empanelled private hospitals.
    4. Structural inequality: Insurance design fails to address social determinants of access.

    What fiscal and systemic challenges are emerging from insurance-led healthcare?

    1. State fiscal stress: Increased hospitalisation under schemes leads to budgetary pressure on states.
    2. Delayed reimbursements: States like Haryana report delays in payments to private providers.
    3. Dependence on private sector: Weak public infrastructure leads to over-reliance on private providers.
    4. Market distortion: Insurance subsidies indirectly support private healthcare expansion.

    Is insurance-based Universal Health Coverage (UHC) viable for India?

    1. Profit-driven incentives: Private providers focus on high-margin treatments, undermining equity.
    2. Limited preventive care: Insurance model emphasises hospitalisation, not primary care.
    3. Weak regulation: Insufficient oversight leads to overcharging and unnecessary procedures.
    4. Public system neglect: Investment in primary healthcare remains inadequate.

    What alternative model is suggested for effective healthcare delivery?

    1. Strengthening public healthcare: Emphasis on universal, tax-funded public health systems.
    2. Primary care focus: Initiatives like Ayushman Arogya Mandir (AAM) offer comprehensive primary care, including NCDs.
    3. Integrated approach: Combining preventive, promotive, and curative care
    4. Regulation of the private sector: Ensures accountability and cost control.

    Conclusion

    India’s health insurance expansion highlights a structural paradox: coverage without care and protection without affordability. A shift from insurance-led to system-strengthening approaches, especially in primary healthcare, is essential for achieving equitable and sustainable Universal Health Coverage.

    PYQ Relevance

    [UPSC 2022] Is inclusive growth possible under market economy? State the significance of financial inclusion in achieving economic growth in India.

    Linkage: The PYQ highlights the gap between coverage expansion (financial inclusion) and actual welfare outcomes, similar to health insurance failing to ensure real protection. This is directly relevant to analysing whether insurance-led healthcare promotes inclusive growth or deepens inequality.

  • Industrial Output Growth Hits 5 Month Low 

    Why in the News

    India’s Industrial Output Growth, measured by the Index of Industrial Production (IIP), slowed to 4.1 percent in March 2026, marking a five month low. The slowdown is linked to weak performance in construction and consumer sectors and the emerging impact of the West Asia crisis.

    What is Index of Industrial Production (IIP)?

    • A composite indicator measuring short term changes in industrial output
    • Released by the Ministry of Statistics and Programme Implementation
    • Base year: 2011 to 12
    • Published monthly

    Components of IIP

    • Primary Goods
    • Capital Goods
    • Intermediate Goods
    • Infrastructure and Construction Goods
    • Consumer Durables
    • Consumer Non Durables

    Key Highlights from Data

    • IIP Growth (March 2026): 4.1 percent
    • Manufacturing Growth: 4.3 percent
    • Capital Goods Growth: 14.6 percent (29 month high)
    • Infrastructure and Construction: 6.7 percent (slowed)
    • Consumer Non Durables: 1.1 percent (weak demand)
    • Core Sector Growth: -0.4 percent (contraction)

    About Core Industries

    • Eight core sectors account for about 40 percent of IIP
    • Includes: Coal, Crude Oil, Natural Gas, Refinery Products, Fertilizers, Steel, Cement, and Electricity.
    [2015] In the ‘Index of Eight Core Industries’, which one of the following is given the highest weight? 
    (a) Coal Production 
    (b) Electricity generation 
    (c) Fertilizer production 
    (d) Steel production
  • Google AI Data Centre Hub in Andhra Pradesh

    Why in the News

    A major Artificial Intelligence Data Centre Hub is being launched by Google in Andhra Pradesh, with the foundation stone laid by Chief Minister N. Chandrababu Naidu at Tarluvada near Visakhapatnam on April 28, 2026. It is one of the largest Foreign Direct Investment (FDI) projects in India’s digital infrastructure sector.

    Key Facts

    • Total Investment: 15 billion dollars (1.35 lakh crore rupees)
    • Implemented by Raiden Infotech in partnership with Adani Group
    • Total Land Area: 601.4 acres
    • Locations:
      • Rambilli (Anakapalli district)
      • Adavivaram and Tarluvada (Visakhapatnam district)

    Technical Features

    • Initial Power Capacity: 1 Gigawatt (GW)
    • Scalability: Up to 5 Gigawatt (GW)
    • Key infrastructure:
      • Submarine Cable Landing Stations
      • Dedicated Fibre Networks
    • Purpose: Low Latency Global Connectivity for AI and data operations
    [2020] With reference to Foreign Direct Investment in India, which one of the following is considered its major characteristic? 
    (a) It is the investment through capital instruments essentially in a listed company. 
    (b) It is a largely non-debt creating capital flow. 
    (c) It is the investment which involves debt-servicing. 
    (d) It is the investment made by foreign institutional investors in the Government securities.
  • [27th April 2026] The Hindu OpED: Summer as a source of income shock for gig workers

    PYQ Relevance[UPSC 2024] What is disaster resilience? How is it determined? Describe various elements of a resilience framework.Linkage: The PYQ is directly relevant as heatwaves represent a climate-induced disaster, where resilience must include income security and labour protection, not just survival. The article highlights gaps in India’s resilience framework by showing how gig workers remain excluded from economic and institutional preparedness systems.

    Mentor’s Comment

    India is experiencing more frequent and prolonged heatwaves, with recorded heat-related mortality in 2022. Simultaneously, the gig economy is expanding rapidly, 7.7 million workers (2020-21) projected to reach 23 million by 2029-30 (NITI Aayog). This creates a convergence where climate risk intersects with informal labour vulnerability; exposing gig workers to both health risks and income shocks.

    Why are heatwaves emerging as an income shock for gig workers?

    1. Income dependency: Earnings depend on trips/orders completed; reduced mobility lowers income.
    2. Heat-induced productivity loss: High temperatures slow movement and increase fatigue.
    3. Absence of paid leave: Gig workers lack paid leave; logging off results in immediate income loss.
    4. Health risks: Dehydration, heat exhaustion, long-term stress increase during peak hours.
    5. Structural vulnerability: Gig workers cannot “work from home,” unlike salaried employees.

    How has climate risk for labour been historically mischaracterized?

    1. Medical framing: Heat treated primarily as a public health emergency, not an economic issue.
    2. Policy limitation: Heat Action Plans focus on mortality reduction, not income protection.
    3. Behavioural advisories: Recommendations (stay indoors, reduce activity) unrealistic for gig workers.
    4. Neglect of informal sector: Assumption that individuals can adjust behaviour independently.

    Why does current preparedness remain inadequate for gig workers?

    1. Infrastructure mismatch: Cooling centres, water kiosks not designed for mobile workers.
    2. Fragmented governance:
      1. Health departments focus on illness
      2. Disaster agencies focus on emergency response
      3. Labour departments lack clarity on gig worker status
    3. Platform exclusion: Digital platforms not integrated into climate preparedness frameworks.
    4. Gender dimension: Women gig workers face additional unpaid care burdens and safety risks.

    How does extreme heat exacerbate economic inequality and labour precarity?

    1. Income volatility: Heat reduces working hours and this leads to a direct fall in earnings.
    2. Lack of social protection: Absence of insurance, wage guarantees, or compensation.
    3. Urban dependence: Cities rely on gig workers for essential services (food, medicines).
    4. Risk transfer: Platforms shift operational risks to workers without safety nets.

    What policy gaps hinder effective climate-labour integration?

    1. Regulatory ambiguity: Gig workers classified outside traditional labour protections.
    2. Limited labour codes applicability: Social security provisions remain weakly implemented.
    3. Platform accountability gap: No binding obligations for heat-responsive work design.
    4. Weak inter-agency coordination: Lack of integrated climate-labour governance framework.

    What measures can enhance resilience for gig workers?

    1. Labour recognition: Heat treated as labour and productivity issue.
    2. Workplace safeguards: Rest breaks, shaded areas, hydration facilities mandated.
    3. Income protection mechanisms: Insurance, wage compensation, integration with welfare schemes.
    4. Platform responsibility:
      1. Flexible performance metrics
      2. Reduced delivery pressure during peak heat
    5. Institutional coordination: Collaboration among labour, urban, disaster management, and platform regulators.

    Why is rethinking resilience critical in the gig economy context?

    1. Urban system dependence: Essential goods delivery depends on the gig workforce.
    2. Climate risk absorption: Gig workers act as buffers for systemic shocks.
    3. Resilience definition: Must include safe working conditions + stable income, not just survival.

    Conclusion

    Climate adaptation in India remains incomplete without integrating labour and income dimensions. Gig workers represent a critical but vulnerable workforce. Policy must shift from reactive health responses to proactive economic safeguards, ensuring both livelihood security and climate resilience.

  • Rupee depreciation and its impact on investments

    Why in the News?

    The issue of rupee depreciation has gained renewed attention due to a sharp and sustained fall in the Indian Rupee (INR) against the US Dollar, with the currency weakening from ₹85.53 (March 31, 2025) to ₹92.76 (March 30, 2026). This is a notable 8.45% depreciation, and even 10.73% from intermediate peaks. This is significant because it reflects macroeconomic stress combined with global volatility, particularly rising crude oil prices and foreign investor outflows.

    How does rupee depreciation impact equity investments?

    1. Limited Direct Impact: Exchange rate fluctuations do not directly affect domestic equity investments if earnings are INR-based.
    2. Sentiment Effect: Currency weakness negatively affects investor confidence due to macroeconomic uncertainty.
    3. Multiple Drivers: Market corrections arise from FPI outflows, crude oil prices, and global cues, not just currency depreciation.

    Why is rupee depreciation more harmful to debt investments?

    1. Imported Inflation: Weak currency raises the cost of imports like crude oil, increasing inflation.
    2. Interest Rate Sensitivity: Higher inflation leads to higher interest rates, reducing bond prices.
    3. Example: Rising crude prices denominated in USD increase landed cost-inflation rises-bond yields rise and finally bond prices fall.

    What is the role of RBI projections in assessing currency impact?

    1. Inflation Projection: RBI projects 4.6% inflation for 2026-27, indicating moderate inflation expectations.
    2. Policy Assumptions: Includes crude oil at $85/barrel and exchange rate at ₹94/USD.
    3. Market Stability Signal: Suggests depreciation is partly already factored into macroeconomic planning.

    Can gold act as an effective hedge against rupee depreciation?

    1. Currency Hedge: Gold prices rise in INR when rupee weakens, as it is priced in USD.
    2. Historical Trend: A significant portion of gold price rise in India is due to currency depreciation.
    3. Portfolio Allocation: Recommended allocation is 10-15%, as gold is not a primary growth asset.

    How can investors benefit from global diversification during depreciation?

    1. Currency Advantage: Investments in foreign assets gain when INR depreciates.
    2. Conversion Benefit: Investment in USD assets appreciates in INR terms during redemption.
    3. Investment Routes:
      1. Mutual Funds: International funds available in India
      2. Direct Investment: Through Liberalized Remittance Scheme (LRS)

    How does rupee depreciation affect household expenses?

    1. Inflation Impact: Reduced purchasing power due to rising prices.
    2. Imported Goods: Costlier fuel, electronics, and foreign services.
    3. Limited Control: Domestic inflation due to global factors remains beyond individual control.

    Conclusion

    Rupee depreciation is not inherently negative but becomes problematic when it fuels inflation and destabilizes investment returns. While equity markets absorb the shock through multiple factors, debt markets and consumption are more vulnerable. Strategic diversification, moderate gold allocation, and global exposure can mitigate risks.

    PYQ Relevance

    [UPSC 2024] What are the causes of persistent high food inflation in India? Comment on the effectiveness of the monetary policy of the RBI to control this type of inflation.

    Linkage: Rupee depreciation increases imported inflation, which contributes to persistent food inflation in India. The article explains exchange rate pass-through and highlights the RBI’s inflation projection of 4.6%, indicating the role of monetary policy in managing inflationary pressures.

  • India’s Nuclear & Wind Energy Progress  

    Why in the News?

    • Prime Minister Narendra Modi highlighted:
      • Fast Breeder Reactor (FBR) achieving criticality
      • India becoming 4th largest in wind energy capacity
      • Call for participation in Census 2027

    Fast Breeder Reactor (FBR) 

    • Location: Kalpakkam, Tamil Nadu
    • Achievement: Criticality attained

    What is Criticality?

    • Stage where: Self-sustaining nuclear chain reaction begins
    • Indicates: Reactor becomes operational

    Significance of FBR

    • Uses: Plutonium-based fuel
    • Converts: Fertile material → Fissile fuel
    • Advantages:
      • Efficient fuel use
      • Supports India’s 3-stage nuclear programme
    • Built with: Indigenous technology

    Wind Energy  

    • Installed capacity: 56 GW+
    • Global rank: 4th in world

    Leading States

    • Gujarat, Tamil Nadu, Maharashtra, and Rajasthan
    [2023] Consider the following statements: 
    Statement-I: India, despite having uranium deposits, depends on coal for most of its electricity production. 
    Statement-II: Uranium, enriched to the extent of at least 60%, is required for the production of electricity. 
    Which one of the following is correct in respect of the above statements? 
    (a) Both Statement-I and Statement-II are correct and Statement-II is the correct explanation for Statement-I 
    (b) Both Statement-I and Statement-II are correct and Statement-II is not the correct explanation for Statement-I 
    (c) Statement-I is correct but Statement-II is incorrect 
    (d) Statement-I is incorrect but Statement-II is correct
  • The Goldilocks period that wasn’t for the economy

    Why in the News?

    India’s so-called “Goldilocks period” of high growth, low inflation, and macro stability has come under sharp scrutiny after GDP back-series revisions (2022-23 base year) revealed that earlier estimates overstated economic performance. Coupled with global shocks (US-Iran tensions, rupee depreciation, energy vulnerabilities) and declining long-term growth rates, the narrative shifts from optimism to concern. The striking reality is that real GDP growth has slowed structurally (approx. 6.2% over 12 years to <5.5% in recent years), challenging India’s aspiration to become a developed economy.

    Was India truly in a “Goldilocks” phase of economic growth?

    The “Goldilocks” narrative, describing an economy that is “not too hot, not too cold, but just right”, has been a central theme in recent Indian macroeconomic assessments, but it remains a subject of intense debate between official reporting and critical economic analysis. 

    The “Goldilocks” Case (Official Perspective)

    1. Goldilocks assumption: Suggested optimal macroeconomic conditions (high growth, low inflation, low unemployment).
    2. High Real Growth: Real GDP growth for FY2024 was recorded at 7.6%, with projections for FY2026 reaching as high as 7.4% in advanced estimates.
    3. Subdued Inflation: Headline Consumer Price Index (CPI) inflation fell from 4.8% in May 2024 to a projected 2% by early 2026, creating a low-inflation environment rarely seen alongside high growth.
    4. Macro-Stability: Stable corporate earnings, peaking interest rates, and resilient foreign exchange reserves (over $618 billion in early 2024) have bolstered the image of a well-balanced economy. 

    Evidence of an “Illusion” (Counter-Arguments)

    1. The “Base Effect” Trap: The high growth seen in 2021-22 and 2022-23 was largely a statistical rebound from the massive -5.8% to -7.7% contraction during the 2020 pandemic. This created a “temporary high” rather than a sustainable structural shift
    2. GDP Revision “Shrinkage“: Revisions to the GDP base year (from 2011-12 to 2022-23) revealed that the Indian economy was smaller in absolute terms than previously believed, and back-series data showed that growth between 2004-2014 was consistently over-estimated
    3. Stagnant Real Wages: While nominal GDP grew, real wages for agricultural and non-farm rural workers reportedly dropped by over 1.3% annually between 2019 and 2025, suggesting the “Goldilocks” benefits were not reaching the masses.
    4. Food Inflation Disparity: Headline inflation numbers are often pulled down by “core” metrics, but food inflation (the primary expense for low-income households) has remained volatile, reaching over 10% in late 2024. 

    How has GDP revision altered India’s economic narrative?

    1. GDP recalibration: New base year (2022-23) revised past estimates downward, indicating overestimation earlier.
    2. Economic size impact: India’s GDP appears smaller than previously calculated.
    3. Policy implication: Growth trajectory reassessment becomes necessary for fiscal and developmental planning.

    Is India’s growth structurally decelerating over time?

    1. Nominal GDP slowdown:
      1. >10% CAGR (2014-2026)
      2. ~9.5% CAGR (last 7 years)
    2. Real GDP trend:
      1. ~6.2% CAGR (12 years)
      2. <5.5% CAGR (last 7 years)
    3. Historical comparison: ~7% CAGR (22 years), indicates clear deceleration trend.
    4. Conclusion: Growth momentum is weakening structurally, not cyclically.

    What domestic economic weaknesses persist?

    1. Corporate earnings stagnation: Reflects weak private sector dynamism.
    2. Investment gap: Low foreign capital inflows indicate investor hesitation.
    3. Currency pressure: Rupee depreciation vs USD signals external vulnerability.
    4. Energy dependence: Heavy reliance on Strait of Hormuz imports exposes India to geopolitical shocks.

    How do global shocks amplify India’s economic vulnerability?

    1. Geopolitical tensions: US-Iran conflict raises energy price risks.
    2. Currency fluctuations: Rupee weakening affects import costs and inflation.
    3. Comparative decline: Japan and UK overtaking India in GDP terms highlights relative slowdown.
    4. Inflation risk: External shocks may trigger imported inflation.

    Why is short-term high growth misleading for policymaking?

    1. Low base effect: Post-pandemic growth inflates recent growth rates artificially.
    2. Cherry-picking risk: Ignoring long-term trends leads to misguided optimism.
    3. Policy distortion: May result in delayed structural reforms.

    What reforms are necessary to correct the growth trajectory?

    1. Structural reforms: Focus on productivity, manufacturing, and exports.
    2. Domestic demand boost: Enhance consumption and employment generation.
    3. Investment climate: Improve ease of doing business and investor confidence
    4. Energy diversification: Reduce external dependence on oil imports.

    Conclusion

    India’s economic reality reflects structural deceleration masked by short-term recovery trends. The revised GDP data dismantles the “Goldilocks” narrative and underscores the urgency of deep structural reforms, investment revival, and macroeconomic resilience to sustain long-term growth.

    PYQ Relevance

    [UPSC 2021] Do you agree that the Indian economy has recently experienced V-shaped recovery? Give reasons in support of your answer.

    Linkage: The PYQ questions the “Goldilocks/V-shaped growth narrative” by highlighting low base effect and overstated growth trends. It directly links to the article’s argument of structural slowdown vs short-term recovery illusion due to GDP revisions.

  • BHAVYA Scheme  

    Why in the News

    • The Union Cabinet has approved the Bharat Audyogik Vikas Yojana (BHAVYA) with an outlay of ₹33,660 crore to develop 100 plug-and-play industrial parks by 2032.
    • The National Industrial Corridor Development Programme (NICDP) framework is the foundation for the BHAVYA (Bharat Audyogik Vikas Yojna) scheme. Approved on March 18, 2026, with a ₹33,660 crore outlay,

    What is BHAVYA?

    • A government scheme to create future-ready industrial parks across India
    • Designed to provide:
      • Ready infrastructure
      • Seamless connectivity
    • Focus on: Manufacturing competitiveness and investment

    Key Features

    1. Scale and Timeline

    • Total parks: 100
    • Duration: 6 years (starting 2026–27)
    • First phase: 50 parks

    2. Land Requirement

    • Minimum:
      • 100 acres (general)
      • 25 acres (hilly and North Eastern states)
    • Maximum: 1,000 acres

    3. Funding Pattern

    • Central Government:
      • Up to ₹1 crore per acre
    • Implementation:
      • Joint effort of: Central government, State governments, and Private sector

    4. Plug-and-Play Model

    • Industrial units get:
      • Pre-developed land
      • Power, water, roads
      • Logistics connectivity

    5. Integration with National Infrastructure

    • Linked with: PM GatiShakti
    • Benefits:
      • Multimodal connectivity (road, rail, ports)
      • Efficient logistics
      • Last-mile connectivity

    6. Ease of Doing Business

    • Features include:
      • Single-window clearance systems
      • Simplified approvals
      • Investor-friendly policies
      • State-led reforms
    • Primary beneficiaries: Manufacturing units, MSMEs, startups, and global investors seeking ready-to-use industrial infrastructure
    [2016] Recently, India’s first ‘National Investment and Manufacturing Zone’ was proposed to be set up in:
    (a) Andhra Pradesh
    (b) Gujarat
    (c) Maharashtra
    (d) Uttar Pradesh
  • Technology Development and Investment Promotion (TDIP) Scheme 

    Why in the News?

    • Revised guidelines of the Technology Development and Investment Promotion (TDIP) Scheme released by Jyotiraditya M. Scindia
    • Aim: Strengthen India’s global telecom presence and boost next-gen technologies

    What is the TDIP Scheme?

    • A Department of Telecommunications (DoT) initiative
    • Focus:
      • Promote indigenous telecom technologies
      • Enhance India’s role in global telecom standards

    Key Features

    • Financial Outlay
      • Total allocation: ₹203 crore
      • Period: 2026 to 2031
    • Focus Areas
      • Participation in: Global standard-setting bodies
      • Promotion of: Innovation and R&D
      • Development of: 5G Advanced and 6G ecosystem
    [2019] With reference to communication technologies, what is/are the difference/differences between LTE (Long-Term Evolution) and VoLTE (Voice over Long-Term Evolution)? 
    1. LTE is commonly marketed as 3G and VoLTE is commonly marketed as advanced 3G. 
    2. LTE is data-only technology and VoLTE is voice-only technology. 
    Select the correct answer using the code given below. 
    a) 1 only b) 2 only c) Both 1 and 2  d) Neither 1 nor 2