UPSC Current Affairs — Tuesday, 1 September 2026

4 UPSC-relevant topics from Indian Express · With MCQs, Mains questions & concept explanations

EconomyScience & TechnologySecurity

Indian ExpressSecurityRelevance 8/10

Navy Chief: INS Nipun will enhance our critical underwater capabilities

Relevant to GS-III (Security & Defence). Covers naval modernization, submarine capabilities, and India's maritime security strategy.

UPSC Relevance

Maps to GS Paper 3 (Security) – indigenization of defence capabilities and naval modernization, relevant for questions on India's maritime security and defence indigenization.

What You Need to Know

INS Nipun is a newly commissioned Indian Navy vessel designed to enhance submarine operations and anti-submarine warfare (ASW). It is equipped for deep-sea operations and can integrate with other naval units, marking a step in India's indigenous naval capability.

Why It Matters for UPSC

It strengthens India's underwater surveillance and deterrence in the Indian Ocean Region (IOR), crucial for maritime security. For the exam, it illustrates defence indigenization and India's response to regional naval challenges.

Background

India has been modernizing its naval fleet with a focus on indigenous construction under initiatives like 'Make in India'. INS Nipun's commissioning follows a series of platforms aimed at enhancing ASW, a critical gap given China's growing submarine presence in the IOR.

Current Relevance

Commissioned in Mumbai, INS Nipun reflects ongoing naval expansion. It comes amid heightened submarine activity in the IOR, emphasizing India's need for robust underwater capabilities to secure its maritime interests.

Key Points for Revision

•INS Nipun is designed for anti-submarine warfare and deep-sea operations, enhancing India's underwater capabilities.
•Commissioned in Mumbai, it integrates with other naval units, improving fleet coordination.
•Part of India's naval modernization, aligning with 'Make in India' and self-reliance in defence.
•Strengthens India's deterrence in the Indian Ocean Region, countering submarine threats.
•Indicates focus on indigenous shipbuilding, reducing import dependency in defence.

Prelims Practice MCQs

Q1. Consider the following statements about INS Nipun: 1. It is designed for anti-submarine warfare. 2. It is an indigenously built vessel. 3. It can operate only in shallow waters. Which of the statements given above is/are correct?

(a) 1 only

(b) 1 and 2 only

(d) 1, 2 and 3

INS Nipun is designed for anti-submarine warfare and is part of indigenous naval construction. It is capable of deep-sea operations, not limited to shallow waters.

Q2. Which of the following best describes the primary role of INS Nipun in the Indian Navy?

(a) Amphibious warfare

(b) Anti-submarine warfare

(d) Mine countermeasures

INS Nipun is equipped for anti-submarine warfare, enhancing the Navy's ability to detect and counter submarine threats.

Q3. The commissioning of INS Nipun aligns with which of the following national initiatives?

(a) Digital India

(b) Make in India

(d) Start-up India

INS Nipun's indigenous construction supports the Make in India initiative, which aims to boost domestic manufacturing including defence.

Mains Practice Questions

Discuss the significance of indigenous naval platforms like INS Nipun in strengthening India's maritime security. (150 words)
Discuss
Examine the role of anti-submarine warfare in India's naval strategy, with reference to recent developments like INS Nipun. (250 words)
Examine

Indian ExpressEconomyRelevance 8/10

Manufacturing and services fire GDP growth to 7.8 per cent in Q1

Direct UPSC relevance for GS-III (Economy). Covers India's GDP growth, sectoral performance, and monetary policy - key macroeconomic indicators essential for Civil Services examination.

UPSC Relevance

Maps to GS Paper III (Indian Economy) – growth and development, covering GDP growth drivers, sectoral performance, and monetary policy implications.

What You Need to Know

India's GDP grew 6.7% in Q1 FY25 (April-June 2024), the fastest in over two years, driven by manufacturing (9.36%) and services (6.3%), while agriculture grew only 2%.

Why It Matters for UPSC

This indicates economic resilience amid global headwinds, but high growth with persistent inflation may force RBI to hike rates, affecting borrowing costs and investment. For UPSC, it tests understanding of GDP measurement, sectoral composition, and policy trade-offs.

Background

GDP growth has been recovering post-COVID, with Q1 FY24 at 5.4%. RBI's June 2024 policy kept repo rate at 6.5% to manage inflation. The CEA projects sustained momentum, but high-frequency indicators and inflation remain key watch points.

Current Relevance

Recent data shows India's growth outperforming many economies, but inflation above 4% target keeps RBI cautious. This creates a policy dilemma: supporting growth vs. curbing inflation, relevant for upcoming monetary policy reviews.

Key Points for Revision

•Q1 FY25 GDP growth: 6.7%, highest in 2 years, vs 6.1% previous quarter and 5.4% year-ago.
•Manufacturing grew 9.36%, services 6.3%, agriculture only 2% – sectoral imbalance.
•RBI kept repo rate at 6.5% in June 2024, projecting 6.5% GDP growth for FY25.
•CEA predicts sustained momentum, but inflation may trigger rate hikes this year.
•CSO releases second advance estimate for FY25 on August 30.

Prelims Practice MCQs

Q1. Consider the following statements: 1. India's Q1 FY25 GDP growth was 6.7%. 2. Manufacturing sector grew faster than services. Which of the statements is/are correct?

(a) 1 only

(b) 2 only

(d) Neither 1 nor 2

Statement 1 is correct as GDP grew 6.7% in Q1 FY25. Statement 2 is correct as manufacturing grew 9.36%, higher than services' 6.3%.

Q2. With reference to India's GDP growth, what was the repo rate kept by RBI in June 2024?

(a) 6.0%

(b) 6.5%

(d) 5.5%

RBI kept the repo rate unchanged at 6.5% in its June 2024 monetary policy, citing persistent inflation.

Q3. Which sector recorded the lowest growth in Q1 FY25 according to the data?

(a) Manufacturing

(b) Services

(d) Mining

Agriculture grew only 2%, the lowest among the mentioned sectors, highlighting rural distress.

Mains Practice Questions

Discuss the sectoral composition of India's GDP growth in Q1 FY25 and its implications for inclusive growth. (250 words)
Discuss
Examine the trade-off between economic growth and inflation in the context of RBI's monetary policy stance. (250 words)
Examine

Indian ExpressScience & TechnologyRelevance 8/10

After seven-month hiatus, ISRO to launch key satellite on Sept 4

Relevant to GS-III (Science & Technology). Covers ISRO's satellite program, space technology applications in agriculture and disaster management.

UPSC Relevance

Maps to GS Paper III (Science & Technology) and GS Paper I (Geography) – space technology, remote sensing applications, and India's space program.

What You Need to Know

ISRO's upcoming Earth Observation Satellite (EOS) launch, placed in a sun-synchronous orbit at 755 km, with an 80-year orbit life, designed for civilian applications like precision agriculture and disaster management.

Why It Matters for UPSC

Enhances India's remote sensing capabilities for food security, disaster risk reduction, and resource management, aligning with national priorities like Digital India and Sustainable Development Goals. For the exam, it represents India's self-reliance in space technology and its application to governance.

Background

ISRO's EOS series began with EOS-01 in 2020, following the older IRS (Indian Remote Sensing) satellites. The previous EOS-06 was launched in November 2021, and this new satellite continues the series, leveraging advances in sensor technology and orbital mechanics to extend operational life.

Current Relevance

The launch, scheduled for September 4 after a seven-month hiatus (likely due to pandemic or technical reasons), marks ISRO's return to key missions. It underscores India's commitment to space-based solutions for civilian needs, especially in the context of climate change and food security.

Key Points for Revision

•ISRO's EOS satellite has an 80-year orbit life – unusually long, ensuring sustained data availability.
•Placed in sun-synchronous orbit at 755 km altitude – enables consistent imaging for Earth observation.
•Applications: precision agriculture, disaster management – directly supports SDG 2 (Zero Hunger) and Sendai Framework.
•Launch from Satish Dhawan Space Centre, Sriharikota – India's primary orbital launch site.
•Previous EOS-06 launched Nov 2021 – shows continuity in ISRO's Earth observation program.

Prelims Practice MCQs

Q1. Consider the following statements about the EOS satellite: 1. It is placed in a geostationary orbit. 2. It is designed for civilian applications like agriculture. Which is/are correct?

(a) 1 only

(b) 2 only

(d) Neither 1 nor 2

The satellite is placed in a sun-synchronous orbit, not geostationary, so statement 1 is false. It is designed for precision agriculture and disaster management, making statement 2 true.

Q2. What is the primary advantage of a sun-synchronous orbit for Earth observation satellites?

(a) Continuous coverage of the same spot

(b) Consistent lighting for imaging

(d) Lower launch cost

Sun-synchronous orbits ensure the satellite passes over a given area at the same local solar time, providing consistent illumination, which is crucial for comparing images over time.

Q3. The EOS satellite's 80-year orbit life is significant because it:

(a) Reduces space debris

(b) Increases launch frequency

(d) Lowers manufacturing cost

An 80-year orbit life means the satellite can provide data for decades, ensuring continuity for long-term monitoring applications like climate change and agriculture.

Mains Practice Questions

Discuss the role of Earth observation satellites in addressing India's developmental challenges, with special reference to agriculture and disaster management. (150 words)
Discuss
Examine the significance of ISRO's Earth Observation satellite program in the context of India's self-reliance in space technology. (250 words)
Examine

Indian ExpressSecurityRelevance 8/10

Tata Advanced Systems to co-produce US Javelin missile system in India

Relevant to GS-III (Security & Defence). Covers defence manufacturing, technology transfer, and India-US strategic partnership in military capabilities.

UPSC Relevance

Maps to GS Paper 3 (Defence Technology, Indigenization, Make in India) and GS Paper 2 (International Relations – India-US strategic partnership).

What You Need to Know

Tata Advanced Systems and the US have signed an MoU to co-produce the Javelin Anti-Tank Guided Missile (ATGM) in India, with a final assembly and integration facility. This is a significant step in India-US defence industrial collaboration, enabling indigenous production of a world-class missile system.

Why It Matters for UPSC

It boosts India's defence industrial ecosystem, reduces import dependence, and aligns with the 'Make in India' and 'Atmanirbhar Bharat' initiatives. For the exam, it highlights the transition from buyer to co-producer in defence, a key theme in India's strategic autonomy.

Background

The Javelin is a fire-and-forget ATGM developed by Raytheon and Lockheed Martin. The MoU follows the US approval of the Javelin sale to India in 2020, and is part of a broader India-US defence partnership, including the Major Defence Partner status and initiatives like the India-US Defence Acceleration Ecosystem (INDUS-X).

Current Relevance

The MoU was signed during a high-level India-US defence dialogue, reflecting deepening strategic ties. It is expected to create a new supply chain in India, potentially involving private sector firms, and could pave the way for more advanced co-production projects like fighter jet engines.

Key Points for Revision

•Javelin is a US-made fire-and-forget anti-tank guided missile, co-produced by Raytheon and Lockheed Martin.
•Tata Advanced Systems will set up a Final Assembly and Integration (FAI) facility in India for Javelin All-Up Rounds (AUR).
•The MoU boosts India's defence industrial ecosystem and aligns with 'Make in India' and 'Atmanirbhar Bharat'.
•India-US defence trade has grown from near zero in 2008 to over $20 billion, with India now a Major Defence Partner.
•This is a step towards co-development, moving India from a buyer to a co-producer in defence.

Prelims Practice MCQs

Q1. Consider the following statements regarding the Javelin missile system: 1. It is a fire-and-forget anti-tank guided missile. 2. It is co-produced by Tata Advanced Systems and the US. 3. The MoU includes setting up a final assembly and integration facility in India. Which of the statements above is/are correct?

(a) 1 and 2 only

(b) 2 and 3 only

(d) 1, 2, and 3

The Javelin is indeed a fire-and-forget ATGM, and the MoU involves Tata setting up an FAI facility. However, the missile is co-produced by US firms Raytheon and Lockheed Martin, not Tata, which is the Indian partner.

Q2. The Javelin missile co-production agreement is significant for India primarily because it:

(a) Reduces India's dependence on Russian defence imports

(b) Enhances India's indigenous defence manufacturing capability

(d) Allows India to export missiles to third countries

The MoU aims to boost India's defence industrial ecosystem and provide indigenous manufacturing capability, which is the core significance. It aligns with 'Make in India' and self-reliance goals.

Q3. Which of the following best describes the term 'Final Assembly and Integration (FAI) facility' in defence manufacturing?

(a) A facility for designing new missile systems

(b) A facility for assembling and integrating components into a complete product

(d) A facility for training military personnel on missile systems

FAI is the stage where all sub-components are brought together and assembled into a final, ready-to-use product, such as a missile. It is a critical step in indigenisation as it builds local capability.

Mains Practice Questions

Discuss the significance of the India-US co-production of the Javelin missile system in the context of India's defence indigenisation and strategic partnership with the US. (150 words)
Discuss
Critically analyse the role of private sector participation in India's defence manufacturing, with reference to the recent Javelin missile co-production agreement. (250 words)
Critically analyse

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