What is the UPSC Civil Services Examination (CSE)?

The UPSC CSE is India’s most prestigious exam conducted to recruit IAS, IPS, IFS, and other Group A & B officers. It has three stages: Prelims, Mains, and Interview.

Who is eligible to apply for UPSC CSE?

Any graduate between 21–32 years of age (with relaxation for reserved categories) can apply. Both final-year students and professionals are eligible.

How many attempts are allowed in UPSC?

General: 6 attempts (till 32 years); OBC(NCL): 9 attempts (till 35 years); SC/ST: Unlimited attempts (till 37 years).

What is the exam pattern of UPSC?

Prelims: Objective (GS & CSAT); Mains: 9 Descriptive Papers (Essay, 4 GS, 2 Optional, 2 Qualifying Language Papers); Interview/Personality Test: Final stage.

How should a beginner start UPSC preparation?

For self-learners: Start with NCERTs (Class 6–12), followed by standard reference books, daily newspaper reading, and consistent answer writing practice. Students associated with 'UnderStand UPSC': Follow the guidance provided by the team of mentors led by Satyam Jain Sir.

Which books are best for UPSC preparation?

Polity: Laxmikanth; History: Spectrum + NCERTs; Geography: NCERT + GC Leong; Economy: Ramesh Singh + Current Affairs; Environment: Majid Husain.

Is coaching necessary for UPSC?

Not compulsory. With the right strategy, self-discipline, and resources, many toppers have cleared UPSC without coaching. Coaching, however, can provide structured guidance.

How important is Current Affairs in UPSC?

Extremely important. Questions in Prelims, Mains, and Interviews are linked to current issues. Reading newspapers like The Hindu/Indian Express or using monthly compilations is essential.

How much time is required to prepare for UPSC?

On average, 1.5 to 2 years of focused preparation with 8–10 hours daily study is ideal. Consistency matters more than duration.

What is the role of NCERTs in UPSC preparation?

NCERTs build strong conceptual clarity in subjects like History, Geography, Polity, and Economy. They are the foundation of UPSC preparation.

How can I manage UPSC preparation with a job?

Follow a time-blocking strategy, prioritize weekends for deep study, and focus on smart notes & revision. Many working professionals have successfully cleared UPSC.

Does UPSC preparation require English medium only?

No. UPSC allows candidates to write Mains in any of the 22 scheduled languages. Many toppers have cleared UPSC in Hindi and regional languages.

What is the cut-off for UPSC Prelims (General Category)?

The cut-off changes every year but usually ranges between 75–98 marks depending on difficulty, vacancies, and number of applicants.

How should I prepare for UPSC answer writing?

Practice daily or weekly answer writing, focus on structure (Intro–Body–Conclusion), and include facts, examples, and current affairs.

Where can I get free UPSC resources?

You can download NCERTs, UPSC Previous Year Papers, Daily Current Affairs PDFs, and Notes for free from the Understand UPSC Free Resources section.

Is CSAT qualifying in UPSC Prelims?

Yes. Candidates need to score at least 33% (66 marks) in CSAT to qualify.

What is the exam pattern of UPSC Prelims?

Two papers: General Studies (200 marks) and CSAT (200 marks, qualifying). Both are objective type.

What is UnderStand UPSC and how is it different from other coaching institutes?

UnderStand UPSC is a mentorship-driven EdTech platform for UPSC aspirants focusing on personalized guidance, affordability, and credibility — unlike traditional coaching setups.

What courses do you offer for UPSC preparation?

We offer Conquer Program (Mains Mentorship), UpSurge Mains Test Series, Transform (Foundation), CSAT by Saransh Gupta Sir, Prelims MAD Execute, Prelims Test Series, Answer Writing Programs, and Optional Subject Mentorship.

How does the mentorship program work?

Each group on Telegram is assigned a mentor who reviews test copies, provides feedback, tracks progress, and conducts sessions via Zoom or Google Meet.

Do you provide online or offline classes?

Yes, both modes are available. Offline has limited seats; online ensures access across India with live mentorship and test feedback.

How can I enroll in a course?

You can register via our website (www.understandupsc.com), mobile app, or contact team. Enrolled students receive LMS access with all resources.

Do you provide free resources?

Yes. Free resources include NCERT PDFs, UPSC Academic Calendar, Syllabus, PYQs, and Daily Current Affairs — available in the Free Resources Section.

How do your test series work?

Our test series mirror UPSC standards, are evaluated by mentors, and come with personalized feedback to ensure continuous improvement.

What is the fee structure for your programs?

Fees vary by program but are designed to remain affordable while maintaining quality. Check the latest pricing on the Courses Page.

Can working professionals also join your programs?

Yes. Our mentorship is flexible and personalized, helping working aspirants balance jobs with preparation.

Do you provide guidance for the UPSC Interview/Personality Test?

Yes. We conduct mock interviews, DAF-based guidance, and personality development under the ANTIM-PAG program.

Do you provide study material and notes?

Yes. Students receive curated notes, strategic value additions, and daily/weekly study targets complementing NCERTs and standard books.

How can I contact the team for queries?

You can contact us via email at support@understandupsc.com or call our helpline at +91 8377072252.

Does UnderStand UPSC provide online classes?

Yes, we offer live online sessions, recorded lectures, and continuous mentorship support.

Are test series available separately?

Yes. We provide separate Prelims and Mains test series with detailed evaluation and feedback, aligned with our classroom programs.

Netra AEW&C System India: DRDO Surveillance Platform

June 26, 2026

Source: The Hindu | Page 6 | Tags: 25 & 26 June 2026, AEW&C, AWACS, Defence Technology, GS3

Context: Netra AEW&C System India
The indigenous Netra Airborne Early Warning and Control system, developed by DRDO, received Final Operational Clearance.

The Indian Air Force currently operates 2 Netra AEW&C aircraft, while the Cabinet Committee on Security has approved 6 Netra Mk-1A systems.

Airborne Early Warning and Control

AEW&C is a medium-range airborne surveillance and command system.

Airborne Warning and Control System

AWACS is a long-range airborne surveillance and command-and-control system.

AEW&C vs AWACS

AEW&C

Medium-range
Tactical surveillance
Smaller platform

AWACS

Long-range
Strategic surveillance
Larger platform
Command and control role

Indian Examples

AEW&C

Netra

AWACS

Phalcon on IL-76

Netra AEW&C

Developer

Centre for Airborne Systems
Defence Research and Development Organisation

Platform

Embraer EMB-145I aircraft

Role

Netra performs:

Early warning
Airspace surveillance
Battle management
Command and control

Capability

Netra can detect, track and identify:

Aircraft
Drones
Missiles
Maritime targets

It can detect targets beyond ground-based radar using Active Electronically Scanned Array radar.

Significance

Strengthens India’s airborne surveillance capability.
Improves early warning against aerial threats.
Supports network-centric warfare.
Enhances air defence readiness.
Reduces dependence on imported surveillance platforms.
Supports indigenous defence technology development.
Important for monitoring borders and maritime zones.

Solicitor General of India: Role, Powers and Tenure

June 26, 2026

Source: The Indian Express | Page 6 | Tags: 25 & 26 June 2026, Attorney General, GS2, Polity, Solicitor General

Context: Solicitor General of India
The Union Government granted a fourth extension to Solicitor General Tushar Mehta.

He was appointed Solicitor General in 2018 and has completed 8 years in office. With the fresh 3-year extension, he will complete 11 years by 2029, making him the second-longest serving Solicitor General of India after C.K. Daphtary, the first Solicitor General.

Attorney General of India

Article

Article 76

Status

Constitutional office

Position

Highest law officer of India

Solicitor General of India

Status

Non-constitutional post
Non-statutory post

Position

Second-highest law officer of India

Appointed By

Central Government

Role of Solicitor General

The Solicitor General:

Assists the Attorney General.
Represents the Union Government before the Supreme Court.
Represents the Union Government before High Courts.
Handles important constitutional and policy-related litigation.

Parliament Participation

Attorney General

Under Article 88, the Attorney General can participate in the proceedings of Parliament.

However, the Attorney General cannot vote.

Solicitor General

The Solicitor General has no constitutional right to participate in Parliament.

Tenure

Both Attorney General and Solicitor General hold office during the pleasure of the Central Government.

Governing Rules

The Solicitor General is governed by:

Law Officers Conditions of Service Rules, 1987

UPSC Value Addition

Attorney General

Article 76
Constitutional office
Highest law officer
Can participate in Parliament under Article 88
No voting right

Solicitor General

Executive appointment
Not mentioned in the Constitution
Second-highest law officer
Assists Attorney General
No constitutional right to participate in Parliament

PYQ Link

Attorney General and Solicitor General are not both constitutional officers.

Only the Attorney General has constitutional recognition.

Indian Citizenship Proof Explained: Passport vs Citizenship

June 26, 2026

Source: The Indian Express | Page 12 | Tags: 25 & 26 June 2026, Citizenship, GS2, Polity

Context: Indian Citizenship Proof Explained
The Ministry of External Affairs clarified that a passport is primarily a travel document, not conclusive proof of Indian citizenship.

Citizenship is determined under the Constitution of India and the Citizenship Act, 1955, not by any single document.

Citizenship: Constitutional Basis

Articles 5–11

Provide the constitutional framework for citizenship.

Citizenship Act, 1955

The Citizenship Act governs:

Acquisition of citizenship
Termination of citizenship
Registration
Naturalisation

Core Principle

Citizenship is a legal status.

Documents are evidence of citizenship, but they are not the source of citizenship.

No Single Conclusive Document

No single document conclusively proves Indian citizenship, including:

Passport
Aadhaar
Voter ID
PAN
Ration card
Driving licence

How Citizenship Is Determined

In case of dispute, authorities or courts determine citizenship using a combination of evidence such as:

Birth records
Parentage
Domicile
Official records
Legal documents
Citizenship law provisions

Citizenship Certificate

A citizenship certificate is issued only to persons acquiring citizenship through:

Registration
Naturalisation

It is not issued to every citizen by birth.

Passport in Perspective

Passport

Issued under the Passports Act, 1967.
Used for international travel.
Not a citizenship certificate.

Comparative Perspective

India, like the United States and the United Kingdom, does not issue a universal citizenship document to every citizen.

Some countries with mandatory national identity systems issue identity cards that act as primary evidence of citizenship for most citizens.

Examples:

Pakistan — Computerised National Identity Card
Bangladesh — National Identity Card

Aadhaar PYQ Link

Aadhaar is not proof of citizenship or domicile.
Aadhaar can be deactivated or omitted by the issuing authority under prescribed conditions.

Conclusion

Citizenship flows from law, not from documents.

Documents help establish citizenship, but no single document is legally conclusive in India.

Venezuela Seismic Doublet Earthquake: Causes Explained

June 26, 2026

Source: The Indian Express | Page 12 | Tags: 25 & 26 June 2026, Earthquakes, geography, GS1, Plate Tectonics

Context: Venezuela Seismic Doublet Earthquake
Two powerful earthquakes of magnitude 7.2 and 7.5 struck near Caracas, Venezuela, only 39 seconds apart, creating a rare seismic doublet. Shallow depth and strike-slip faulting amplified the destruction.

Earthquake Basics

Fault

A fault is a fracture in the Earth’s crust where tectonic plates move.

How an Earthquake Occurs

Sudden release of accumulated stress along a fault generates seismic waves.

Types of Seismic Waves

P Waves — Primary Waves

Fastest seismic waves.
Longitudinal waves.
Travel through solids, liquids and gases.
Reach first on a seismograph.

S Waves — Secondary Waves

Slower than P waves.
Transverse waves.
Travel only through solids.
Cause stronger shaking than P waves.

Surface Waves / L Waves

Travel along the Earth’s surface.
Most destructive.
Cause maximum ground movement.

Seismic Doublet

A seismic doublet means two independent earthquakes of similar magnitude occurring close to each other within minutes to a few hours.

They are caused by closely related fault ruptures.

Seismic Doublet vs Aftershock

Seismic Doublet

Two major earthquakes.
Nearly equal magnitude.

Aftershock

Smaller earthquake.
Triggered by the main shock as the crust readjusts.

Why Seismic Doublets Are Dangerous

First earthquake weakens buildings and infrastructure.
Second earthquake strikes before recovery.
Ground shaking continues for longer.
Building collapse risk increases.
Casualties rise.
Rescue operations become difficult.

Why Venezuela Was Vulnerable

The destruction was worsened by:

Shallow earthquake depth
Strike-slip faulting
Dense population near affected areas
Vulnerable buildings
Limited time gap between two shocks

PYQ Link

P waves are recorded earlier than S waves.
In P waves, particles vibrate to and fro in the direction of wave propagation.
In S waves, particles vibrate at right angles to the direction of wave propagation.

BHIM UPI Financial Products: NPCI Expands BHIM Services

June 26, 2026

Source: The Hindu | Page 12 (Thursday) | Tags: 25 & 26 June 2026, Digital Payments, Economy, FinTech, GS3

Context:
National Payments Corporation of India, through NPCI BHIM Services Ltd., will expand the BHIM app beyond payments by offering credit cards, loans, National Pension System, investments and insurance through banks and NBFCs.

Unified Payments Interface

UPI is a real-time bank-to-bank payment system.

Launched

2016

Developed By

National Payments Corporation of India

Regulated By

Reserve Bank of India

National Payments Corporation of India

NPCI is a non-profit umbrella organisation for retail payments.

Established

2008

Set Up By

Reserve Bank of India
Indian Banks’ Association

Status

Not a statutory body

UPI Features

Virtual Payment Address
QR code-based payments
Mobile number-based payments
24×7 settlement
Interoperability
Two-factor authentication
Person-to-Person payments
Person-to-Merchant payments

BHIM App

BHIM means Bharat Interface for Money.

It enables users to transfer money to any UPI-enabled bank account.

Proposed Financial Products on BHIM

Credit cards
Loans
National Pension System
Investments
Insurance

Significance

Converts BHIM from a payment app into a broader financial services platform.
Improves digital financial inclusion.
Helps banks and NBFCs reach wider users.
Supports fintech-led credit and investment access.
Strengthens India’s digital public infrastructure ecosystem.

PYQ Integration

UPI vs Digital Rupee

UPI is a payment system.
Digital Rupee is digital legal tender issued by RBI.

UPI

Transfers bank deposits.
Money remains a commercial bank liability.

Digital Rupee

Direct liability of RBI.

Important Concepts to Differentiate

UPI
Digital Rupee / CBDC
Mobile Wallets
Bank Deposits

PYQ Facts

UPI strengthens Direct Benefit Transfer.
BHIM enables transfers to any UPI-enabled bank account using two-factor authentication.
UPI is not a digital currency.

25 & 26 June 2026 | Daily Current Affairs

Netra AEW&C System India: DRDO Surveillance Platform

Airborne Early Warning and Control

Airborne Warning and Control System

AEW&C vs AWACS

Indian Examples

Netra AEW&C

Role

Capability

Significance

Solicitor General of India: Role, Powers and Tenure

Attorney General of India

Solicitor General of India

Role of Solicitor General

Parliament Participation

Attorney General

Solicitor General

Tenure

Governing Rules

UPSC Value Addition

PYQ Link

Indian Citizenship Proof Explained: Passport vs Citizenship

Citizenship: Constitutional Basis

Citizenship Act, 1955

Core Principle

No Single Conclusive Document

How Citizenship Is Determined

Citizenship Certificate

Passport in Perspective

Comparative Perspective

Aadhaar PYQ Link

Conclusion

Venezuela Seismic Doublet Earthquake: Causes Explained

Earthquake Basics

Fault

How an Earthquake Occurs

Types of Seismic Waves

P Waves — Primary Waves

S Waves — Secondary Waves

Surface Waves / L Waves

Seismic Doublet

Seismic Doublet vs Aftershock

Why Seismic Doublets Are Dangerous

Why Venezuela Was Vulnerable

PYQ Link

BHIM UPI Financial Products: NPCI Expands BHIM Services

Unified Payments Interface

National Payments Corporation of India

UPI Features

BHIM App

Proposed Financial Products on BHIM

Significance

PYQ Integration

Important Concepts to Differentiate

PYQ Facts

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