Daily Current Affairs - 18 September 2026
Today’s Top Current Affairs for UPSC: Key national and international developments explained for Prelims and Mains, with quick revision points and practice questions.
India Electric Mobility Index 2025: Delhi Leads as States Show Uneven EV Progress
Delhi has topped the India Electric Mobility Index (IEMI) 2025 with a score of 84, followed by Maharashtra (78), Karnataka (73), Chandigarh (71) and Goa (65).
The second edition of the index was prepared by WRI India in partnership with NITI Aayog and evaluates all 36 States and Union Territories on their progress towards electric mobility.
The results show that India’s EV transition is accelerating, but progress remains highly uneven across regions.
Among the 17 Large States, Maharashtra and Karnataka were the only Top Performers, while eight—including Tamil Nadu, Madhya Pradesh, Odisha and Uttar Pradesh—were classified as Frontrunners.
Madhya Pradesh recorded a particularly large improvement, moving from 23rd to seventh position.
What Does the Electric Mobility Index Measure?
The IEMI is more than a ranking of EV registrations. It uses 16 indicators grouped under three themes: Transport Electrification Progress (50% weight), Charging Infrastructure Readiness (30%) and EV Research & Innovation Status (20%).
The 2025 scores ranged from 10 to 84, while the median improved from 36 in 2024 to 40 in 2025.
This distinction matters because EV adoption requires an entire ecosystem.
A state may register large numbers of EVs but still face inadequate public charging, while another may build chargers faster than consumer demand develops.
The transition also differs by vehicle type. India has particularly strong potential in electric two- and three-wheelers, while electric passenger cars remain a smaller share.
The IEA reports that electric-car sales in India increased about 75% in 2025 to roughly 165,000, or nearly 4% of total car sales.
Why EVs Matter Beyond Reducing Air Pollution
Electric vehicles can reduce India's exposure to petroleum consumption and oil-import shocks because they substitute electricity for petrol or diesel. The strategic benefit, however, depends partly on how that electricity is generated.
A Battery Electric Vehicle (BEV) runs entirely on electricity stored in a rechargeable battery.
A hybrid combines an internal-combustion engine with an electric motor, while a fuel-cell electric vehicle produces electricity electrochemically—typically using hydrogen—to power an electric motor.
EVs therefore have no tailpipe emissions in battery-electric operation, but their overall lifecycle emissions depend on factors such as the electricity mix, battery manufacturing, vehicle efficiency and recycling. Cleaner electricity increases their decarbonisation benefit.
Batteries are also strategically important because they require supply chains involving materials such as lithium, nickel, cobalt and graphite.
China accounted for more than 80% of global battery-cell production in 2025, highlighting why battery manufacturing, mineral security and recycling have become industrial-policy issues.
Prelims Quick Revision
IEMI: India Electric Mobility Index.
2025 edition prepared by WRI India in partnership with NITI Aayog.
Delhi: first overall, score 84.
Next: Maharashtra 78, Karnataka 73, Chandigarh 71 and Goa 65.
Maharashtra and Karnataka were the only Large States classified as Top Performers.
IEMI evaluates all 36 States and UTs.
16 indicators under three themes.
Transport Electrification Progress: 50% weightage.
Charging Infrastructure Readiness: 30%.
EV Research & Innovation Status: 20%.
BEV: powered entirely by electricity stored in batteries.
Hybrid: combines an internal-combustion engine and electric propulsion.
Fuel-cell vehicle: generates electricity electrochemically, generally using hydrogen.
Charging infrastructure is essential for reducing range anxiety and enabling large-scale EV adoption.
Global electric-car sales exceeded 20 million in 2025, accounting for about one-quarter of new car sales.
India's electric-car sales reached roughly 165,000 in 2025, nearly 4% of total car sales.
Possible Mains Question
India's transition to electric mobility is not merely a shift in vehicle technology but requires coordinated changes in energy, infrastructure, industrial and state-level policies. Discuss in the context of the India Electric Mobility Index 2025.
India Rejects Pakistan-China Boundary Commission: Why Shaksgam Valley Matters
India has rejected the newly operationalised Pakistan-China Boundary Joint Commission, saying Pakistan has no authority to make boundary arrangements concerning territory that India claims as its own.
Pakistan and China held the commission’s inaugural meeting in Islamabad on September 16, 2026, describing its role as covering border management, joint surveys, trade facilitation and people-to-people connectivity.
Pakistan, for its part, rejects India’s position and maintains that its 1963 boundary agreement with China is valid.
The dispute is rooted in the 1963 China-Pakistan Boundary Agreement and is closely connected with the strategic geography of Shaksgam Valley, Gilgit-Baltistan, the Karakoram and CPEC.
Why Does India Reject the 1963 Agreement?
Pakistan and China signed their boundary agreement in March 1963, covering the frontier between China's Xinjiang region and territory administered by Pakistan in the former princely state of Jammu and Kashmir.
India has never recognised this agreement. According to the Ministry of External Affairs, Pakistan transferred approximately 5,180 sq km in the Shaksgam Valley to China under the agreement.
India's stated position is that Pakistan had no legal authority to conclude an agreement concerning this territory; consequently, New Delhi regards the 1963 agreement as illegal and invalid.
The Shaksgam Valley, also called the Trans-Karakoram Tract, lies north of the Karakoram range and near the strategically important Siachen-Karakoram region.
For map-based questions, aspirants should distinguish it from Aksai Chin: China controls both areas, but their historical and territorial circumstances differ.
Boundary Settlement, Control and Sovereignty
The controversy illustrates three concepts that should not be confused.
Territorial sovereignty is a state's legal claim to supreme authority over territory. Effective control refers to which state actually administers or physically controls an area.
A bilateral boundary settlement is an agreement between states defining their boundary.
These concepts can diverge in disputed territories. Pakistan and China treat their boundary arrangements as valid, while India contests the underlying authority of Pakistan to conclude them. Pakistan's Foreign Ministry reiterated on September 17 that it considers the 1963 agreement valid and disputes India's claims concerning Jammu and Kashmir.
Connection with CPEC
The same sovereignty issue underlies India's objections to the China-Pakistan Economic Corridor (CPEC), a flagship component of China's Belt and Road Initiative connecting western China with Pakistan, including the route towards Gwadar Port.
CPEC infrastructure passes through Gilgit-Baltistan, territory administered by Pakistan but claimed by India.
India's objection is therefore based on its stated position regarding sovereignty and territorial integrity, rather than opposition to regional connectivity as a general principle.
The new commission is significant because its proposed work includes border surveys, management and trade connectivity.
India argues that such arrangements cannot affect its territorial claims; Pakistan and China reject that interpretation.
Prelims Quick Revision
Pakistan-China Boundary Joint Commission: operationalised on September 16, 2026 in Islamabad.
Proposed functions include border management, joint surveys, trade facilitation and people-to-people connectivity.
China-Pakistan Boundary Agreement: signed in 1963.
India has never recognised the 1963 agreement.
According to India's MEA, approximately 5,180 sq km of the Shaksgam Valley was transferred by Pakistan to China under the agreement.
Shaksgam Valley = Trans-Karakoram Tract.
It should not be confused with Aksai Chin.
India says China is separately in occupation of approximately 38,000 sq km in Ladakh, referring primarily to Aksai Chin and adjoining areas.
CPEC: China-Pakistan Economic Corridor.
CPEC is associated with China's Belt and Road Initiative (BRI).
India objects to CPEC because portions traverse Gilgit-Baltistan, which Pakistan administers and India claims.
Khunjerab Pass: important China-Pakistan land-connectivity point in the Karakoram region.
Pakistan rejects India's territorial position and considers the 1963 agreement valid.
Possible Mains Question
The Shaksgam Valley dispute demonstrates the distinction between territorial sovereignty, effective control and bilateral boundary settlement. Explain in the context of the 1963 China-Pakistan Boundary Agreement and India's objections to CPEC.
EPFO Wage Ceiling Raised to ₹25,000: How India’s Social-Security Net Will Expand
The Union Cabinet has approved an increase in the monthly wage ceiling for mandatory Employees’ Provident Fund Organisation (EPFO) coverage from ₹15,000 to ₹25,000, effective September 17, 2026.
This is the first revision since September 2014 and is expected to bring more than 51 lakh additional employees under mandatory EPFO coverage.
The change is significant because the wage ceiling determines which employees must be enrolled under the statutory provident-fund framework.
Raising it reflects wage growth over the past decade while extending retirement savings, pension and insurance protection to more formal-sector workers.
How Do EPF, EPS and EDLI Work?
EPFO administers a package of social-security schemes rather than just a retirement savings account.
The Employees’ Provident Fund (EPF) is primarily a defined-contribution retirement savings arrangement. Ordinarily, the employee and employer each contribute 12% of applicable wages, subject to statutory provisions.
The employee's contribution goes to EPF, while the employer's contribution is divided between EPF and the Employees’ Pension Scheme (EPS).
Under the standard structure, 8.33% of applicable wages from the employer's share goes towards EPS, while the remainder goes to EPF.
EPS differs from EPF because it provides a defined pension benefit, subject to eligibility and scheme rules, rather than simply returning an individually accumulated corpus.
The third component is the Employees’ Deposit Linked Insurance (EDLI) Scheme, which provides life-insurance protection linked to employment under the EPF framework.
The employee does not separately contribute to EDLI; the employer contributes under the applicable scheme rules.
Why Does Raising the Wage Ceiling Matter?
The earlier ₹15,000 threshold had remained unchanged for 12 years, even as nominal wages increased. Consequently, workers earning above the threshold could fall outside mandatory coverage when entering covered employment, subject to EPF rules.
Increasing the ceiling to ₹25,000 therefore broadens compulsory social-security coverage and can also support formalisation: provident-fund registration creates a documented employer-employee relationship and institutionalises retirement savings.
There are trade-offs. Higher mandatory employee contributions can reduce current take-home income for affected workers, even while increasing long-term savings.
Employers may also face higher statutory employment costs.
The expansion additionally has a fiscal dimension because the Union government contributes towards eligible pension liabilities.
The government has estimated that the change will entail additional expenditure while expanding statutory protection. The official Cabinet release specifically projects more than 51 lakh additional workers entering mandatory EPFO coverage.
The policy challenge is therefore to balance present wages, employer costs and government expenditure against stronger retirement, pension and insurance protection.
Prelims Quick Revision
EPFO: Employees’ Provident Fund Organisation; under the Ministry of Labour & Employment.
Mandatory coverage wage ceiling raised from ₹15,000 to ₹25,000 per month.
Effective from September 17, 2026.
Last major revision: September 2014, when the ceiling was raised to ₹15,000.
Expected additional mandatory coverage: more than 51 lakh employees.
EPF: primarily retirement savings based on contributions.
Standard employee contribution: 12% of applicable wages.
Standard employer contribution: 12%, with the applicable share divided between EPF and EPS.
EPS: Employees’ Pension Scheme; employee does not directly contribute to EPS.
Employer's standard EPS component: 8.33% of applicable wages, subject to scheme rules.
EDLI: Employees’ Deposit Linked Insurance Scheme.
EPF, EPS and EDLI together provide savings, pension and insurance protection.
Defined contribution: benefit depends substantially on accumulated contributions and returns.
Defined benefit: benefit is determined using a prescribed formula/eligibility framework rather than simply the individual's accumulated corpus.
Possible Mains Question
Raising the EPFO wage ceiling can widen social-security coverage and promote formalisation, but it also affects take-home wages, employer costs and public expenditure. Discuss the trade-offs involved in expanding contributory social security in India.
UK Independence Debate: Scotland, Wales and Northern Ireland Push for Referendums
The constitutional future of the United Kingdom (UK) has returned to focus after the leaders of Scotland, Wales and Northern Ireland signed the Cardiff Agreement on September 14, 2026, asserting their right to pursue constitutional change and self-determination.
The agreement is politically significant, but it does not itself authorise independence referendums or change the constitutional status of any part of the UK.
The debate is particularly important for understanding the UK's unusual constitutional structure: it is not a federation comparable to India, but a state in which substantial powers have been devolved from Westminster to Scotland, Wales and Northern Ireland.
Great Britain, UK and British Isles: Know the Difference
These geographical and political terms should not be used interchangeably.
Great Britain is the island containing England, Scotland and Wales. The United Kingdom of Great Britain and Northern Ireland consists of those three nations plus Northern Ireland.
Historically, England and Scotland were united politically through the Acts of Union of 1707, creating the Kingdom of Great Britain. Ireland joined through the Acts of Union that took effect in 1801. Following Irish independence in the early 20th century, Northern Ireland remained within the UK, producing the present territorial arrangement.
For map work, remember that the Republic of Ireland is an independent sovereign state and is not part of the UK.
Why Can't Scotland Simply Hold Another Independence Referendum?
The UK operates through devolution, under which Westminster has transferred legislative and executive authority over areas such as health and education to institutions in Scotland, Wales and Northern Ireland. Matters including defence and foreign affairs remain reserved to Westminster.
Scottish independence raises a reserved constitutional question. For the 2014 Scottish referendum, Westminster temporarily expanded the Scottish Parliament's competence through a Section 30 Order under the Scotland Act 1998.
Voters were asked whether Scotland should become an independent country; 55.25% voted No and 44.65% Yes, on turnout of 84.6%.
In November 2022, the UK Supreme Court ruled that the Scottish Parliament could not legislate unilaterally for the proposed independence referendum because such legislation related to reserved matters—specifically the Union of Scotland and England and the UK Parliament.
Thus, political demands for another referendum do not automatically provide the devolved institutions with the legal authority to conduct one.
Northern Ireland Is Constitutionally Different
The three independence movements should not be treated as legally identical.
Northern Ireland has a distinctive constitutional framework arising from the Northern Ireland Act 1998 and the Belfast/Good Friday Agreement.
UK law provides a specific mechanism for a referendum on whether Northern Ireland should remain in the UK or become part of a united Ireland.
This differs from Scotland's Section 30 framework and from the constitutional position of Wales.
This demonstrates the asymmetric character of UK devolution: Scotland, Wales and Northern Ireland possess different histories and distributions of powers.
Prelims Quick Revision
UK: England + Scotland + Wales + Northern Ireland.
Great Britain: England + Scotland + Wales.
Republic of Ireland: independent country; not part of the UK.
Devolution: transfer of specified powers from Westminster to institutions in Scotland, Wales and Northern Ireland.
UK devolution is asymmetric—the three settlements are not identical.
Scotland Act 1998: central statute establishing the modern Scottish devolution framework.
2014 Scottish referendum: 55.25% No; 44.65% Yes; turnout 84.6%.
A Section 30 Order temporarily enabled the Scottish Parliament to legislate for the 2014 referendum.
2022 UK Supreme Court: Scottish Parliament lacked competence to legislate unilaterally for another independence referendum.
Northern Ireland has a separate statutory route concerning a referendum on Irish reunification.
Unlike India's constitutionally divided federal powers, UK devolution ultimately derives from Acts of the UK Parliament; Westminster remains legally sovereign.
Possible Mains Question
The United Kingdom's contemporary independence movements demonstrate both the possibilities and limitations of devolution in a unitary constitutional system. Discuss with reference to Scotland, Wales and Northern Ireland.
India-Pakistan Naval Collision: What the 1991 Military Confidence-Building Agreement Says
India and Pakistan exchanged diplomatic protests after an Indian Navy warship and Pakistan Navy vessel PNS Hunain collided in the North Arabian Sea on September 15, 2026.
India says PNS Hunain approached the Indian vessel at high speed and manoeuvred unsafely in international waters; Pakistan gives a different account, alleging that the Indian ship made aggressive manoeuvres during Pakistan's SEASPARK-26 exercise.
India subsequently summoned Pakistan's Charge d'Affaires and said the encounter violated a bilateral confidence-building arrangement—the 1991 Agreement on Advance Notice on Military Exercises, Manoeuvres and Troops Movements.
The competing accounts of the collision have not been independently resolved publicly, so the attribution of responsibility should be treated as disputed.
What Does the 1991 Agreement Require?
The agreement was designed to reduce the possibility that military exercises or movements by one country would be misinterpreted as preparations for hostile action.
Of particular relevance is Article 10, which requires Indian and Pakistani naval ships and submarines operating in international waters not to approach within three nautical miles of each other, with the objective of avoiding accidents.
The same provision was invoked after the 2011 PNS Babur–INS Godavari encounter in the Gulf of Aden.
India's official foreign-relations record notes that both countries then cited Article 10 as well as international collision-prevention rules.
The agreement also provides for advance notification of specified military exercises. Its strategic logic emerged partly from experiences such as Exercise Brasstacks in 1986-87, when large Indian military deployments generated serious India-Pakistan tensions and demonstrated how exercises could produce escalation through uncertainty and misperception.
International Waters and the EEZ
A geographical distinction is important here.
Under UNCLOS, a coastal state's territorial sea can extend up to 12 nautical miles from its baseline, where the coastal state exercises sovereignty subject to international law.
An Exclusive Economic Zone (EEZ) may extend up to 200 nautical miles. But an EEZ is not equivalent to sovereign territorial waters.
The coastal state possesses sovereign rights over natural resources and specified economic activities, while other states retain freedoms including navigation and overflight, subject to UNCLOS.
Therefore:
Territorial sea ≠ EEZ ≠ high seas.
This distinction is relevant because Pakistan has described the encounter as occurring within its EEZ, whereas India has referred to the area as international waters.
These descriptions are not necessarily mutually exclusive in the ordinary navigational sense: foreign naval vessels can enjoy navigation rights within another state's EEZ, although the precise legal terminology matters.
Why Maritime Deconfliction Matters
Naval vessels routinely operate in proximity to one another for surveillance, exercises and other missions.
At sea, an unsafe manoeuvre can therefore produce a military incident even when neither government intends escalation.
Communication protocols, minimum separation requirements, advance notification and professional navigation serve as confidence-building measures (CBMs).
They are particularly significant between India and Pakistan because an accident can be interpreted through the wider context of bilateral military tensions.
The September 2026 encounter therefore illustrates the continuing relevance of agreements created decades earlier: their purpose is not merely to regulate exercises but to reduce miscalculation and prevent tactical incidents from escalating into strategic crises.
Prelims Quick Revision
Incident: September 15, 2026, North Arabian Sea.
Pakistani vessel involved: PNS Hunain.
India and Pakistan have presented competing accounts of responsibility for the collision.
Relevant pact: Agreement between India and Pakistan on Advance Notice on Military Exercises, Manoeuvres and Troops Movements, 1991.
Article 10: naval ships/submarines should maintain at least 3 nautical miles separation in international waters to avoid accidents.
1 nautical mile = 1.852 km.
3 nautical miles = 5.556 km.
Territorial sea: up to 12 nautical miles from the baseline.
EEZ: up to 200 nautical miles from the baseline.
In an EEZ, the coastal state has sovereign rights over natural resources, not complete territorial sovereignty.
Other states retain freedoms including navigation and overflight in an EEZ.
UNCLOS: United Nations Convention on the Law of the Sea.
Operation/Exercise Brasstacks: major Indian military exercise of 1986-87 that contributed to severe India-Pakistan tensions.
Another India-Pakistan agreement signed in 1991 addresses prevention of airspace violations and military-aircraft overflights/landings.
PNS Babur and INS Godavari were involved in a similar close encounter in the Gulf of Aden in June 2011.
Saudi Arabia Says Drone Targeted Mecca as Houthis Deny Claim: Why the Escalation Matters
Saudi Arabia said its air defences intercepted and destroyed a drone south of Mecca on September 15, 2026, before it entered restricted airspace over Islam's holiest city.
Saudi-led coalition spokesperson Turki al-Malki attributed the drone to Yemen's Houthi movement (Ansar Allah) and described the security of Mecca and the holy sites as a “red line”.
The Houthis denied targeting Mecca or other Islamic holy sites, while acknowledging other operations against Saudi targets.
Because the two sides give conflicting accounts, the drone's intended target should not be presented as independently established.
The incident nevertheless marks a significant escalation in renewed Saudi-Houthi hostilities and adds to security concerns around the Red Sea and Bab el-Mandeb Strait.
Who Are the Houthis and Why Are They Fighting Saudi Arabia?
The Houthis, formally Ansar Allah, are a Yemen-based armed movement that emerged from northern Yemen and took control of the capital Sanaa in 2014.
They are supported by Iran, although describing them simply as an Iranian proxy can obscure their domestic Yemeni origins and objectives.
A Saudi-led coalition intervened militarily in Yemen in 2015 in support of the internationally recognised government.
A UN-mediated truce beginning in 2022 substantially reduced large-scale fighting, although it formally expired after six months and a comprehensive political settlement did not follow. Renewed fighting in 2026 has again expanded across Yemen and into attacks on Saudi territory.
Saudi Arabia says the latest incident was not the first threat to Mecca associated with the Houthis, citing an earlier missile incident in 2017.
The Houthis reject the latest Saudi allegation and say their current targets are military and economic rather than Islamic holy sites.
Why Bab el-Mandeb Matters to India
The conflict has implications far beyond Yemen. Bab el-Mandeb, between Yemen and Djibouti/Eritrea, connects the Gulf of Aden and Arabian Sea with the Red Sea, and from there the Suez Canal and Mediterranean.
This makes it a critical route for Asia-Europe shipping. Conflict around the strait can force vessels to reroute around the Cape of Good Hope, increasing sailing distance, freight costs, insurance premiums and delivery times.
The Strait of Hormuz performs a different geographical function.
It connects the Persian Gulf with the Gulf of Oman and Arabian Sea and is particularly important for Gulf oil and LNG exports.
Bab el-Mandeb, by contrast, is the southern gateway to the Red Sea-Suez route.
For India, instability across both chokepoints can affect energy security, shipping costs and merchandise trade, while broader instability in the Gulf also matters because of India's substantial economic and people-to-people links with the region.
Current shipping data show traffic through both Hormuz and Bab el-Mandeb being affected by heightened regional tensions.
What Is the Makkah Joint Defence Agreement?
A separate but relevant development is the Makkah Joint Defence Agreement, signed by Saudi Arabia, Pakistan and Türkiye on August 7, 2026.
Pakistan's official account describes it as defensive and says an armed attack against one of the three countries is to be regarded as an attack against all, consistent with Article 51 of the UN Charter on individual and collective self-defence.
The agreement therefore adds another security dimension to the regional crisis.
It does not, however, mean that every disputed incident automatically produces military action; questions of attribution, the nature of an attack and decisions by the signatories remain important.
Prelims Quick Revision
Houthis = Ansar Allah, a Yemen-based armed movement.
They seized Sanaa in 2014; Saudi-led military intervention began in 2015.
Saudi Arabia says a drone was intercepted south of Mecca on September 15, 2026; the Houthis deny targeting Mecca.
Mecca: western Saudi Arabia; Islam's holiest city.
Bab el-Mandeb: connects the Red Sea with the Gulf of Aden.
Perim/Mayyun Island: strategically located in the Bab el-Mandeb.
Strait of Hormuz: connects the Persian Gulf with the Gulf of Oman.
Bab el-Mandeb is important for the Red Sea-Suez Canal trade route.
Disruption can divert vessels around the Cape of Good Hope.
Makkah Joint Defence Agreement: Saudi Arabia + Pakistan + Türkiye; signed August 7, 2026.
It provides that an armed attack against one signatory is regarded as an attack against all.
Article 51, UN Charter: recognises individual and collective self-defence following an armed attack.
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