Daily Current Affairs · 18 September 2026

UPSC daily current affairs 18 Sept 2026 — Semicon India 2026, Himalayan glacier GDP risk, Odisha orangutan smuggling, UPI MDR, Russia sanctions bill & RBI rate.

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Table of Contents

  1. Saudi-Houthi Conflict: Yemenis Flee as Red Sea War Spreads
  2. PM Modi Pitches India as a Trusted Chip-Manufacturing Base
  3. Melting Himalayan Glaciers Put 20% of India's GDP at Risk
  4. Orangutans in Odisha: Wildlife Trade Laws & Reparations
  5. Russia Sanctions Bill: A Tool for Trump, a Worry for India
  6. Govt to Monitor Whether Merchants Pass on MDR to Customers
  7. ₹15,000 Crore: What the UPI Levy Will Fetch & Why Govt Backs It
  8. Semicon 2.0 Draws Up to $12–13 Billion in Investment Proposals
  9. After the US Fed, Will RBI Also Move on Interest Rates in October?

1. Saudi-Houthi Conflict: Yemenis Flee as Red Sea War Spreads

Why in News: Saudi Arabia and Yemen's Iran-backed Houthis exchanged fresh cross-border strikes this week, with Yemenis taking to boats across the Bab el-Mandeb strait to escape fighting as the spreading Middle East war creates new threats to global oil supplies.

Key Developments:

  • The fighting has raised fresh concerns about oil supplies, threatening the Red Sea route that serves as the main alternative to Gulf exports while Strait of Hormuz traffic remains constrained.
  • The Houthis have seized Yemen's entire Red Sea coast in a rapid advance and claim to have shot down a Saudi F-15 fighter jet.
  • More than 80 people have reportedly been wounded, alongside the first Saudi-side civilian death from drone debris in Taif.
  • The IOM estimates over 100,000 Yemenis have been displaced by the latest fighting, mostly within Yemen itself.

📌 Prelims Facts Box:

TermFact
Bab el-MandebStrait connecting the Red Sea to the Gulf of Aden; nicknamed "Gate of Tears"
Strait of HormuzChokepoint between Persian Gulf and Gulf of Oman — critical for global oil transit
HouthisZaidi Shia armed movement, backed by Iran, controlling parts of Yemen
IOMInternational Organization for Migration — UN migration agency

Mains Angle (GS II – International Relations): Impact of West Asian instability on India's energy security, Indian diaspora in the Gulf, and global crude price volatility.


2. PM Modi Pitches India as a Trusted Chip-Manufacturing Base

Why in News: PM Narendra Modi inaugurated the fifth edition of SEMICON India 2026 on 17 September at Yashobhoomi, New Delhi, positioning India as a "trusted and resilient" global semiconductor partner.

Key Facts:

  • Theme of the event: "Transform Tomorrow: Silicon to Systems – Building the Ecosystem," held from 17–19 September 2026.
  • Over 600 exhibitors, including around 300 international companies, participated across 15,000 sq. metres of exhibition space, with 150+ speakers from 40+ countries.
  • India currently imports close to 90% of its chip requirement at an estimated $30 billion a year; the government is targeting a $200 billion domestic semiconductor market.
  • Three of the twelve Semicon 1.0-approved projects have already commenced commercial production.
  • Jointly organised by the India Semiconductor Mission (ISM), MeitY, and SEMI (global semiconductor industry association).

📌 Prelims Fact: India Semiconductor Mission (ISM) was launched in December 2021 under MeitY.

Mains Angle (GS III – Economy/S&T): India's strategy for reducing import dependence in critical technology and building supply-chain resilience amid global chip-diplomacy.


3. Melting Himalayan Glaciers Put 20% of India's GDP at Risk

Why in News: A new report warns that the Himalayan ecosystem, which is rapidly losing ice, underpins more than 20% of India's GDP, making glacier loss a serious economic and water-security risk.

Key Data Points:

  • Himalayan glacier ice loss has doubled since the year 2000.
  • Per a Systemiq-ICIMOD study, Himalayan glaciers are now losing mass 65% faster than a decade ago.
  • Though the Himalayan region forms just 18% of India's landmass, it accounts for roughly 35% of the country's disaster events.
  • India has identified 56 glacial lakes as "very high risk" out of 189 high-risk lakes assessed in 2025, with the Central Water Commission tracking 2,485 glacial lakes larger than 10 hectares.
  • Scientists warn the Hindu Kush Himalaya region is approaching "peak water" by mid-century, after which river flows may begin declining.

📌 Prelims Facts Box:

TermDefinition
ICIMODInternational Centre for Integrated Mountain Development, based in Kathmandu
GLOFGlacial Lake Outburst Flood — sudden release of water from a glacial lake
Peak WaterPoint at which glacier-fed river flow peaks before declining due to ice depletion
Hindu Kush Himalaya (HKH)Spans 8 countries; source of 10 major Asian river systems

Mains Angle (GS I/III – Geography & Environment): Climate change impact on Himalayan river systems, disaster preparedness for GLOFs, and economic vulnerability of the Ganga-Brahmaputra-Indus basin states.


4. Orangutans in Odisha: Wildlife Trade Laws & Reparations

Why in News: Forest officials rescued five young orangutans during routine patrolling in the Udayapur section of the Jaleswar Range in Odisha's Balasore district; they were transferred to Nandankanan Zoological Park.

Key Facts:

  • Orangutans (genus Pongo) are Asia's only living great ape species and are not native to India or the South Asian subcontinent.
  • They exist only in the rainforests of Borneo (Pongo pygmaeus) and Sumatra (Pongo abelii and Pongo tapanuliensis).
  • All three species are classified Critically Endangered on the IUCN Red List and listed under CITES Appendix I, which strictly prohibits commercial international trade.
  • Under India's Wild Life (Protection) Act, 1972, exotic CITES-listed species are protected under Schedule IV (as amended in 2022), making illegal possession, trade or transport a punishable offence.
  • Authorities suspect an international wildlife trafficking racket smuggled the animals from Southeast Asia; the case has been referred to the Wildlife Crime Control Bureau (WCCB).

📌 Prelims Facts Box:

TermFact
WCCBStatutory body under Wild Life (Protection) Act, 1972, combating organised wildlife crime
CITESConvention on International Trade in Endangered Species — Appendix I = strictest protection
"Gardeners of the forest"Nickname for orangutans due to their role in seed dispersal
Nandankanan Zoological ParkLocated in Bhubaneswar, Odisha

Mains Angle (GS III – Environment/Biodiversity): India's role as a transit hub in global wildlife trafficking networks; strengthening the legal framework for exotic species regulation.


5. Russia Sanctions Bill: A Tool for Trump, a Worry for India

Why in News: The Trump administration has confirmed backing for a sweeping Russia sanctions bill that could subject India to steep tariffs over its purchases of Russian oil.

Key Facts:

  • The bill (the "Sanctioning Russia Act"), co-authored by Senators Lindsey Graham and Richard Blumenthal, would authorise tariffs of up to 500% on imports from countries buying Russian energy.
  • If enacted, it would represent the most sweeping secondary tariff authority over third-country trade ever granted to a US president.
  • Graham has repeatedly named India and China as central targets, noting the two countries together buy around 70% of Russian oil, gas and petroleum products.
  • A former US Treasury sanctions official has called the use of tariffs as a sanctions tool "untested," warning India may continue importing Russian oil even at the risk of US retaliation.

📌 Prelims Fact: Distinguish this proposed bill from CATSA/CAATSA (Countering America's Adversaries Through Sanctions Act, 2017) — an older, separate US law affecting defence and energy dealings with Russia, Iran and North Korea.

Mains Angle (GS II – India & the World): Balancing strategic autonomy with US relations; energy security diplomacy amid great-power sanctions regimes.


6. Govt to Monitor Whether Merchants Pass on MDR to Customers

Why in News: As the government prepares to reintroduce a Merchant Discount Rate (MDR) on large-value UPI transactions, it has assured that merchants cannot pass this cost on to consumers.

Key Facts:

  • Finance Minister Nirmala Sitharaman has stated that merchants will not be allowed to pass the MDR on to customers, while peer-to-peer transfers and low-value retail transactions remain free.
  • Under the proposal, merchants with annual turnover up to ₹1.5 crore will remain exempt from MDR regardless of transaction size.
  • Currently, Section 10A of the Payment and Settlement Systems Act, 2007 bars any bank or system provider from charging users of notified electronic payment modes — an amendment is being explored to enable MDR while protecting consumers.
  • A dedicated NPCI-led Services Steering Committee will finalise the scope, rate structure and exempt payment channels.

📌 Prelims Fact: MDR (Merchant Discount Rate) = fee a merchant pays banks/PSPs for processing digital payments; UPI has had a "zero-MDR" policy since January 2020.

Mains Angle (GS III – Economy): Sustainability of India's digital payments ecosystem vs. affordability for small merchants; regulatory balancing under the Payment and Settlement Systems Act, 2007.


7. ₹15,000 Crore: What the UPI Levy Will Fetch & Why Govt Backs It

Why in News: The proposed MDR on high-value UPI payments to large merchants is being pushed as a fix for the ballooning cost of running India's UPI infrastructure.

Key Facts:

  • The Payments Council of India (PCI) has told PM Modi that the government's ₹1,500 crore annual subsidy covers only a fraction of the roughly ₹10,000 crore needed each year to sustain UPI's innovation, cybersecurity, compliance and infrastructure needs.
  • The government is weighing a levy of 0.3–0.5% MDR on UPI transactions above ₹2,000, for merchants with annual turnover exceeding ₹1.5 crore.
  • Only about 4% of person-to-merchant UPI transactions are ₹2,000 or above; 86% are under ₹500 — meaning the levy targets a narrow but high-value slice of transactions.
  • Large platforms such as Amazon, Flipkart, Swiggy, Zomato and Zepto are among those expected to begin paying MDR to banks.

📌 Prelims Fact: UPI transaction incentives currently run under the "Incentive Scheme for Promotion of RuPay Debit Cards and Low-value BHIM-UPI Transactions," introduced in FY22.

Mains Angle (GS III – Economy): Fiscal sustainability of Digital Public Infrastructure (DPI); trade-off between financial inclusion subsidies and long-term ecosystem viability.


8. Semicon 2.0 Draws Up to $12–13 Billion in Investment Proposals

Why in News: Building on the momentum of SEMICON India 2026, the Union Cabinet's Semicon 2.0 scheme is drawing large-scale investment interest into India's chip ecosystem.

Key Facts:

  • The Union Cabinet approved a total outlay of ₹1,27,500 crore (~$13.23 billion) for Semicon 2.0 in July 2026.
  • The scheme is expected to attract investments of around ₹4 lakh crore and generate semiconductor production worth ₹2 lakh crore over the scheme period.
  • Semicon 2.0 rests on six strategic pillars: chip design, equipment & materials, additional fabrication plants, ATMP/OSAT packaging capabilities, R&D, and skilled-talent creation.
  • Under Semicon 1.0, twelve manufacturing units — including one silicon fab, one silicon carbide fab, a gallium nitride micro-LED display fab, and nine packaging units — were approved with cumulative investment exceeding ₹1.64 lakh crore.
  • Of the 12 approved Semicon 1.0 proposals, three companies — Micron, Kaynes, and CG Semi — have already started commercial production.

📌 Prelims Fact: ATMP/OSAT = Assembly, Testing, Marking and Packaging / Outsourced Semiconductor Assembly and Test — the "packaging" stage of chip manufacturing, distinct from wafer fabrication.

Mains Angle (GS III – Economy/S&T): Evaluating India's semiconductor mission as a case study in strategic industrial policy and PLI-style incentive design.


9. After the US Fed, Will RBI Also Move on Interest Rates in October?

Why in News: With the RBI's Monetary Policy Committee (MPC) scheduled to meet 5–7 October 2026, speculation is building on whether India's rate-setting body will follow global central banks — including a surprise divergence forecast of a possible hike, not a cut.

Key Facts:

  • The repo rate currently stands at 5.25%, unchanged since the last review, with a decision due on 7 October 2026.
  • SBI Research has forecast a possible 25 bps hike in October (and another in December) — a sharp reversal from earlier expectations of cuts — citing crude oil crossing $100/barrel, the rupee slipping past 95/USD, and RBI draining ₹1 lakh crore of surplus liquidity.
  • However, with retail inflation back above the 4% target, most economists still expect the MPC to hold rates rather than hike.
  • In its most recent review, the RBI held the repo rate at 5.25% and announced measures to boost forex inflows and reserves, citing global supply-side inflation pressures rather than domestic demand overheating.

📌 Prelims Fact: The RBI's six-member Monetary Policy Committee (MPC) decides the repo rate; its current stance (as of the last review) is "neutral."

Mains Angle (GS III – Economy): Monetary policy transmission amid global rate divergence; managing the inflation-growth trade-off against a backdrop of currency depreciation and elevated crude prices.