1–4 June 2026 Current Affairs: Top 100 MCQs for Banking & SSC
1-4 June 2026 Current Affairs with 100 MCQs for Banking, SSC and UPSC. Covers railway zone, Karnataka CM, IIP, ABHA, BrahMos, KSTAR and more. Bilingual exam-ready!
1–4 June 2026 Current Affairs: Complete Guide for Banking, SSC & Govt Exams
This comprehensive current affairs digest covers all major national and international events from 1 June to 4 June 2026, specially compiled for aspirants preparing for IBPS PO, SBI PO, SBI Clerk, RBI Grade B, SSC CGL, SSC CHSL, UPSC, RRB NTPC, State PSC and other government competitive examinations. Read each topic carefully — both in English and Hindi — to maximise your General Awareness score.
NATIONAL AFFAIRS | राष्ट्रीय घटनाएँ
1. South Coast Railway Zone Notified — India's 18th Railway Zone
The Union Government officially notified the South Coast Railway Zone (SCoR) as India's 18th railway zone, effective 1 June 2026. The headquarters of this new zone is located at Visakhapatnam, Andhra Pradesh. The three divisions — Guntakal, Guntur, and Vijayawada — have been brought under the new zone. This decision is expected to improve rail connectivity and administration in coastal Andhra Pradesh.
दक्षिण तट रेलवे ज़ोन अधिसूचित — भारत का 18वाँ रेलवे ज़ोन
केंद्र सरकार ने 1 जून 2026 से साउथ कोस्ट रेलवे ज़ोन (SCoR) को भारत के 18वें रेलवे ज़ोन के रूप में अधिसूचित किया। इसका मुख्यालय विशाखापट्टनम, आंध्र प्रदेश में है। गुंटकल, गुंटूर और विजयवाड़ा डिवीजन इसके अंतर्गत आएंगे।
2. D.K. Shivakumar Sworn In as Karnataka's 24th Chief Minister
D.K. Shivakumar was sworn in as the 24th Chief Minister of Karnataka on 3 June 2026 at 4:05 PM at Glass House, Lok Bhavan, Bengaluru. Governor Thaawarchand Gehlot administered the oath. Shivakumar had previously served as Karnataka Deputy Chief Minister and declared family assets worth Rs 1,413.78 crore (Rs 1,140 crore movable + Rs 273 crore immovable), making him India's wealthiest Chief Minister upon taking office.
डी.के. शिवकुमार — कर्नाटक के 24वें मुख्यमंत्री बने
डी.के. शिवकुमार ने 3 जून 2026 को कर्नाटक के 24वें मुख्यमंत्री के रूप में शपथ ली। राज्यपाल थावरचंद गेहलोत ने शपथ दिलाई। शपथ समारोह बेंगलुरु के लोक भवन के ग्लास हाउस में शाम 4:05 बजे आयोजित हुआ।
3. Ayushman Bharat Digital Mission Crosses 90 Crore ABHA Accounts
The Ayushman Bharat Digital Mission (ABDM) crossed the milestone of 90 crore ABHA (Ayushman Bharat Health Account) registrations, significantly strengthening India's digital health ecosystem. ABHA accounts allow citizens to store and share their medical records digitally, making healthcare delivery more efficient across the country.
आयुष्मान भारत डिजिटल मिशन — 90 करोड़ ABHA खाते
आयुष्मान भारत डिजिटल मिशन (ABDM) ने 90 करोड़ ABHA खातों का मील का पत्थर पार किया, जो भारत के डिजिटल स्वास्थ्य ढाँचे को और मजबूती देता है।
4. PM SVANidhi Scheme Completes Six Years
The PM Street Vendor's AtmaNirbhar Nidhi (PM SVANidhi) scheme celebrated its sixth anniversary in June 2026. Launched during the COVID-19 pandemic in June 2020, the scheme has empowered over 75 lakh urban street vendors through collateral-free working capital loans, digital payment incentives, and social welfare linkages. It is jointly administered by the Ministry of Housing and Urban Affairs (MoHUA) and the Department of Financial Services (DFS).
पीएम स्वनिधि योजना — छह वर्ष पूर्ण
पीएम स्ट्रीट वेंडर्स आत्मनिर्भर निधि (PM SVANidhi) योजना ने जून 2026 में अपने छह वर्ष पूर्ण किए। यह योजना जून 2020 में कोविड-19 महामारी के दौरान शुरू हुई थी और अब तक 75 लाख से अधिक शहरी रेहड़ी-पटरी विक्रेताओं को लाभान्वित कर चुकी है।
5. Operation Sheruwali — Counter-Terrorism Mission in J&K
The Indian security forces conducted Operation Sheruwali, a major counter-terrorism mission in Jammu and Kashmir, as reported in early June 2026. The operation underscores the continued efforts to neutralise terror networks operating in the region.
ऑपरेशन शेरुवाली — जम्मू-कश्मीर में आतंकवाद विरोधी अभियान
भारतीय सुरक्षा बलों ने जम्मू-कश्मीर में ऑपरेशन शेरुवाली चलाया, जो एक बड़ा आतंकवाद-विरोधी अभियान था।
6. President's Police Colour Awarded to Sikkim Police
President Droupadi Murmu conferred the prestigious President's Police Colour on the Sikkim Police during an Alankaran Parade held at Paljor Stadium. With this, Sikkim became the 15th state in India and the 3rd state from the North-East region to receive this highest ceremonial honour awarded to a police force.
राष्ट्रपति पुलिस ध्वज — सिक्किम पुलिस को प्रदान
राष्ट्रपति द्रौपदी मुर्मू ने पलजोर स्टेडियम में आयोजित अलंकरण परेड में सिक्किम पुलिस को राष्ट्रपति पुलिस ध्वज प्रदान किया। यह सम्मान पाने वाला सिक्किम भारत का 15वाँ राज्य और पूर्वोत्तर का तीसरा राज्य बना।
7. National Panchayat Awards 2025 — 42 Panchayats Honoured
The Ministry of Panchayati Raj conferred the National Panchayat Awards (NPA) 2025 on 42 outstanding Panchayats from across India during a ceremony in New Delhi on 3 June 2026. These awards recognise best-performing panchayats for their governance, service delivery, and development initiatives.
राष्ट्रीय पंचायत पुरस्कार 2025 — 42 पंचायतें सम्मानित
पंचायती राज मंत्रालय ने 3 जून 2026 को नई दिल्ली में आयोजित समारोह में 42 उत्कृष्ट पंचायतों को राष्ट्रीय पंचायत पुरस्कार (NPA) 2025 से सम्मानित किया।
APPOINTMENTS AND JUDICIARY | नियुक्तियाँ एवं न्यायपालिका
8. Justice V. Mohana — 12th Woman Supreme Court Judge
Coimbatore advocate Venkata Subramani Mohana was sworn in as a Supreme Court judge on 2 June 2026, becoming the first woman directly elevated from the Bar in 5 years. She is the 12th woman judge to serve at the Supreme Court of India. With this appointment, the apex court's strength rose to 37 judges. The Centre cleared the elevation of four High Court Chief Justices along with her appointment.
जस्टिस वी. मोहना — सुप्रीम कोर्ट की 12वीं महिला जज
कोयंबटूर की अधिवक्ता वेंकट सुब्रमणि मोहना को 2 जून 2026 को सुप्रीम कोर्ट की जज के रूप में शपथ दिलाई गई। वह बार से सीधे नियुक्त होने वाली 5 वर्षों में पहली महिला और सर्वोच्च न्यायालय की 12वीं महिला जज बनीं।
9. Vice Admiral Ajay Kochhar — 48th Vice Chief of Naval Staff
Vice Admiral Ajay Kochhar assumed charge as the 48th Vice Chief of the Naval Staff (VCNS) of the Indian Navy. Before this appointment, he served as Commander-in-Chief of the Andaman and Nicobar Command, India's only integrated tri-service command.
वाइस एडमिरल अजय कोचर — 48वें नौसेना उपाध्यक्ष
वाइस एडमिरल अजय कोचर ने भारतीय नौसेना के 48वें उपाध्यक्ष (VCNS) का पदभार संभाला। इससे पहले वे अंडमान और निकोबार कमान के कमांडर-इन-चीफ थे।
10. General N.S. Raja Subramani — Chief of Defence Staff
General N.S. Raja Subramani took charge as the Chief of Defence Staff (CDS) of India effective 31 May 2026. His appointment reflects India's continued effort to strengthen joint military coordination under unified defence leadership.
जनरल एन.एस. राजा सुब्रमणि — चीफ ऑफ डिफेंस स्टाफ
जनरल एन.एस. राजा सुब्रमणि ने 31 मई 2026 से चीफ ऑफ डिफेंस स्टाफ (CDS) का पदभार संभाला।
ECONOMY AND BANKING | अर्थव्यवस्था एवं बैंकिंग
11. Commercial LPG Price Hike — Rs 42 Rise Effective June 2026
Indian Oil Corporation hiked the price of 19 kg commercial LPG cylinders by Rs 42 to Rs 53.50 across different cities. In Delhi, the price now stands at Rs 3,113.50 per cylinder. The hike was driven by concerns arising from the ongoing West Asia conflict, which continues to affect global energy supply chains.
वाणिज्यिक LPG मूल्य वृद्धि — Rs 42 की बढ़ोतरी
इंडियन ऑयल कॉर्पोरेशन ने 19 किलोग्राम वाणिज्यिक LPG सिलेंडर की कीमत में Rs 42 की वृद्धि की। दिल्ली में अब इसकी कीमत Rs 3,113.50 प्रति सिलेंडर है।
12. IIP Growth — India's Industrial Output Grows 4.9% in April 2026
India's Index of Industrial Production (IIP) recorded a growth of 4.9% in April 2026 compared to the same month last year. The Ministry of Statistics and Programme Implementation released the figures under the new IIP Series. This growth is a positive indicator for India's manufacturing and industrial recovery.
IIP वृद्धि — अप्रैल 2026 में औद्योगिक उत्पादन 4.9% बढ़ा
भारत का औद्योगिक उत्पादन सूचकांक (IIP) अप्रैल 2026 में पिछले वर्ष की समान अवधि की तुलना में 4.9% की वृद्धि के साथ दर्ज हुआ।
13. Unclaimed Assets Portal Launched — www.unclaimedassetsportal.in
The Department of Financial Services launched www.unclaimedassetsportal.in on 30 May 2026 as a single-window platform enabling citizens to search for their unclaimed bank deposits, insurance amounts, shares, and mutual funds. The portal was developed with support from the Public Sector Bank Alliance (12 PSBs). The Secretary of Financial Services is M. Nagaraju.
अनक्लेम्ड एसेट्स पोर्टल लॉन्च
वित्तीय सेवा विभाग ने 30 मई 2026 को www.unclaimedassetsportal.in लॉन्च किया। यह पोर्टल नागरिकों को उनके लावारिस बैंक जमा, बीमा, शेयर और म्युचुअल फंड ढूंढने में सहायता करता है।
14. CSR via ZCZP Instruments — MCA New Rule
The Ministry of Corporate Affairs (MCA) permitted companies to deploy up to 10% of their annual CSR expenditure through Zero Coupon Zero Principal (ZCZP) instruments. These instruments carry no interest payment and no principal repayment, functioning as a philanthropic funding mechanism through India's Social Stock Exchange. Under Section 135 of the Companies Act, 2013, eligible companies must spend at least 2% of average net profits on CSR, with non-compliance penalties of up to Rs 1 crore.
CSR में ZCZP उपकरणों की अनुमति — MCA का नया नियम
कॉर्पोरेट मामलों के मंत्रालय (MCA) ने कंपनियों को अपने वार्षिक CSR व्यय का 10% तक ZCZP उपकरणों के माध्यम से लगाने की अनुमति दी।
15. Logistics Port Performance Index (LPPI) 2024-25 Launched
Union Minister Sarbananda Sonowal launched the Logistics Port Performance Index (LPPI) 2024-25 during the 37th Foundation Day celebrations. The index evaluates the performance of India's major ports on parameters like efficiency, turnaround time, and cargo handling, aiming to drive competitive improvement in port logistics.
लॉजिस्टिक्स पोर्ट परफॉर्मेंस इंडेक्स 2024-25 लॉन्च
केंद्रीय मंत्री सर्बानंद सोनोवाल ने 37वें स्थापना दिवस पर लॉजिस्टिक्स पोर्ट परफॉर्मेंस इंडेक्स (LPPI) 2024-25 लॉन्च किया।
INTERNATIONAL AFFAIRS | अंतर्राष्ट्रीय घटनाएँ
16. Bangladesh FM Elected President of UNGA 81st Session
Bangladesh's Foreign Minister Khalilur Rahman was elected President of the United Nations General Assembly (UNGA) for its 81st session on 2 June 2026 at the General Assembly Hall in New York. This marks a significant diplomatic achievement for Bangladesh on the global stage.
बांग्लादेश के विदेश मंत्री — UNGA के 81वें सत्र के अध्यक्ष चुने गए
बांग्लादेश के विदेश मंत्री खलीलुर रहमान को 2 जून 2026 को संयुक्त राष्ट्र महासभा (UNGA) के 81वें सत्र का अध्यक्ष चुना गया।
17. India-Oman Bilateral Pact
India and Oman signed a bilateral pact holding significant promises for farms, factories, and small businesses. The agreement is expected to strengthen trade and economic ties, particularly in agriculture, manufacturing, and MSME sectors, under India's broader engagement with Gulf nations.
भारत-ओमान द्विपक्षीय समझौता
भारत और ओमान ने कृषि, उद्योग और छोटे व्यवसायों को बढ़ावा देने वाला एक महत्वपूर्ण द्विपक्षीय समझौता किया।
18. Myanmar President Min Aung Hlaing's Visit to India
Myanmar President Min Aung Hlaing undertook an official visit to India from 30 May to 3 June 2026. During the visit, both countries strengthened bilateral ties covering trade, border security, and connectivity. Myanmar committed that its territory would not be used against India's security interests.
म्यांमार राष्ट्रपति की भारत यात्रा
म्यांमार के राष्ट्रपति मिन आंग हलाइंग ने 30 मई से 3 जून 2026 तक भारत की आधिकारिक यात्रा की। दोनों देशों ने व्यापार, सीमा सुरक्षा और कनेक्टिविटी पर द्विपक्षीय संबंध मजबूत किए।
19. India-Canada CEPA Talks Gain Momentum
India-Canada Comprehensive Economic Partnership Agreement (CEPA) talks gained fresh momentum in June 2026, with a deal expected soon. Both nations emphasised the importance of free maritime trade amid global supply chain disruptions.
भारत-कनाडा CEPA वार्ता
भारत और कनाडा के बीच CEPA की वार्ता में जून 2026 में नई गति आई।
20. India Sends Emergency Medical Aid to Africa Amid Ebola Outbreak
India dispatched emergency medical aid to Africa in response to an active Ebola outbreak on the continent. This step reinforces India's role as a first responder in global health emergencies and strengthens its diplomatic ties with African nations.
भारत ने अफ्रीका में इबोला प्रकोप के बीच चिकित्सा सहायता भेजी
भारत ने अफ्रीका में इबोला प्रकोप के बीच आपातकालीन चिकित्सा सहायता भेजी।
SCIENCE AND TECHNOLOGY | विज्ञान एवं प्रौद्योगिकी
21. KSTAR Tokamak Sustains Plasma for 102 Seconds
South Korea's KSTAR (Korea Superconducting Tokamak Advanced Research) device successfully sustained plasma in high-confinement mode for 102 seconds. This is a major breakthrough in nuclear fusion research, taking humanity closer to clean and virtually unlimited energy.
KSTAR टोकामाक — 102 सेकंड के लिए प्लाज़्मा
दक्षिण कोरिया के KSTAR उपकरण ने उच्च-संसीमन मोड में 102 सेकंड तक प्लाज़्मा बनाए रखने में सफलता प्राप्त की।
22. Nagaland Cascade Frog — New Species Discovered
Scientists discovered a new frog species named the Nagaland Cascade Frog. This discovery underlines India's rich biodiversity and the importance of conservation efforts in the North-East region.
नागालैंड कैस्केड मेंढक — नई प्रजाति की खोज
वैज्ञानिकों ने नागालैंड कैस्केड मेंढक नामक एक नई मेंढक प्रजाति की खोज की।
23. BrahMos Missile Export Deal with Vietnam
India signed a BrahMos supersonic cruise missile export deal with Vietnam. BrahMos is jointly developed by India and Russia and travels at speeds exceeding Mach 2.8. This export strengthens India's defence diplomacy in South-East Asia.
ब्रह्मोस मिसाइल — वियतनाम के साथ निर्यात समझौता
भारत ने वियतनाम के साथ ब्रह्मोस सुपरसोनिक क्रूज़ मिसाइल के निर्यात का समझौता किया।
24. Odisha-Intel-3DGS — India's First Glass Core Substrate Facility
An MoU was signed among Odisha, Intel, and 3DGS to establish India's first Advanced Packaging Glass Core Substrate Manufacturing facility in the Bhubaneswar-Khurda region over 5-6 years.
ओडिशा-इंटेल-3DGS — भारत की पहली ग्लास कोर सब्सट्रेट फैसिलिटी
ओडिशा, इंटेल और 3DGS के बीच भुवनेश्वर-खुर्दा क्षेत्र में भारत की पहली ग्लास कोर सब्सट्रेट मैन्युफैक्चरिंग सुविधा स्थापित करने के लिए MoU हस्ताक्षरित हुआ।
ENVIRONMENT | पर्यावरण
25. IMD Heatwave Alert for Bihar, Jharkhand, Odisha
The India Meteorological Department (IMD) issued a heatwave alert for Bihar, Jharkhand, and Odisha until 6 June 2026. Simultaneously, rainfall was predicted for Maharashtra and Gujarat. IMD also highlighted that northwestern dust storms are increasingly linked to degradation of the Aravalli range.
IMD का हीटवेव अलर्ट — बिहार, झारखंड, ओडिशा
IMD ने 6 जून 2026 तक बिहार, झारखंड और ओडिशा के लिए हीटवेव अलर्ट जारी किया। अरावली के कमज़ोर होने से उत्तर-पश्चिमी धूल भरी आंधियों का खतरा भी बढ़ रहा है।
26. Swachh Gaon Surakshit Jalvayu Campaign Launched
The government launched the Swachh Gaon Surakshit Jalvayu campaign for rural water security and a clean environment. This initiative underlines India's commitment to rural sanitation and climate resilience at the grassroots level.
स्वच्छ गाँव सुरक्षित जलवायु अभियान लॉन्च
सरकार ने ग्रामीण जल सुरक्षा और स्वच्छ पर्यावरण के लिए स्वच्छ गाँव सुरक्षित जलवायु अभियान शुरू किया।
EDUCATION AND SPORTS | शिक्षा एवं खेल
27. JEE Advanced 2026 Results — Shubham Kumar Tops
Shubham Kumar from the IIT Delhi zone secured AIR 1 in JEE Advanced 2026 with a score of 330 out of 360 marks. Arohi Deshpande emerged as the female topper. Results were declared on 2 June 2026.
JEE एडवांस्ड 2026 परिणाम — शुभम कुमार ने AIR 1 हासिल किया
शुभम कुमार ने JEE एडवांस्ड 2026 में 330/360 अंक के साथ AIR 1 हासिल किया। अरोही देशपांडे महिला टॉपर रहीं।
28. Telangana Formation Day 2026 — 12th Anniversary
2 June 2026 marked the 12th anniversary of Telangana's formation. The state was officially carved out on 2 June 2014 from undivided Andhra Pradesh.
तेलंगाना स्थापना दिवस 2026 — 12वीं वर्षगाँठ
2 जून 2026 को तेलंगाना का 12वाँ स्थापना दिवस मनाया गया।
29. World Bicycle Day — 3 June 2026
World Bicycle Day is observed globally every year on 3 June. The United Nations officially designated 3 June as World Bicycle Day in 2018. The bicycle is celebrated as one of the most sustainable, affordable, and environment-friendly modes of transport.
विश्व साइकिल दिवस — 3 जून 2026
3 जून को प्रतिवर्ष विश्व साइकिल दिवस मनाया जाता है। संयुक्त राष्ट्र ने 2018 में इसे आधिकारिक दर्जा दिया।
30. Ayush Export Promotion Council and Spices Board MoU
The Ayush Export Promotion Council and the Spices Board of India signed an MoU to strengthen the global promotion of Ayush products and medicinal spices. This partnership aims to boost India's exports in the high-growth herbal and wellness segment.
आयुष निर्यात संवर्धन परिषद-मसाला बोर्ड MoU
आयुष निर्यात संवर्धन परिषद और मसाला बोर्ड ऑफ इंडिया ने आयुष उत्पादों और औषधीय मसालों के वैश्विक प्रचार के लिए MoU पर हस्ताक्षर किए।
QUICK REVISION TABLE | त्वरित संदर्भ तालिका
| Topic | Key Fact |
|---|---|
| 18th Railway Zone | South Coast Railway Zone (SCoR), HQ Visakhapatnam, effective 1 June 2026 |
| Karnataka CM | D.K. Shivakumar, 24th CM, sworn in 3 June 2026 |
| CDS | Gen. N.S. Raja Subramani, from 31 May 2026 |
| VCNS (Navy) | Vice Admiral Ajay Kochhar, 48th VCNS |
| SC Judge (Woman) | Justice V. Mohana, 12th woman judge, SC strength = 37 |
| President's Police Colour | Sikkim Police, 15th state, 3rd NE state |
| IIP Growth (Apr 2026) | 4.9% |
| Commercial LPG Delhi | Rs 3,113.50 for 19 kg cylinder |
| ABHA Accounts | 90 crore accounts under ABDM |
| Unclaimed Assets Portal | www.unclaimedassetsportal.in, 12 PSBs, Sec: M. Nagaraju |
| ZCZP CSR Limit | 10% of annual CSR via Social Stock Exchange, Sec 135 Companies Act |
| JEE Advanced 2026 AIR 1 | Shubham Kumar (IIT Delhi zone), 330/360 |
| UNGA 81st President | Khalilur Rahman (Bangladesh FM) |
| Telangana Formation Day | 2 June, 12th anniversary in 2026 |
| World Bicycle Day | 3 June every year, UN designated in 2018 |
| BrahMos Export | Vietnam deal signed |
| KSTAR Plasma | 102 seconds, South Korea, nuclear fusion |
| PM SVANidhi | 6 years completed, 75+ lakh vendors benefited |
| Nagaland Cascade Frog | New species discovered, North-East India |
| Glass Core Substrate | Odisha + Intel + 3DGS, Bhubaneswar-Khurda region |
FAQs
Which new railway zone was notified by the Union Government effective 1 June 2026?
The South Coast Railway Zone (SCoR) was notified as India's 18th railway zone with headquarters at Visakhapatnam, Andhra Pradesh. It includes Guntakal, Guntur, and Vijayawada divisions.
Who was sworn in as Karnataka's 24th Chief Minister on 3 June 2026?
D.K. Shivakumar was sworn in as the 24th Chief Minister of Karnataka on 3 June 2026 at Glass House, Lok Bhavan, Bengaluru. Governor Thaawarchand Gehlot administered the oath.
What is the Unclaimed Assets Portal launched by the Government of India?
The Department of Financial Services launched www.unclaimedassetsportal.in on 30 May 2026 as a single-window platform where citizens can search for unclaimed bank deposits, insurance, shares, and mutual funds. It was developed with the Public Sector Bank Alliance of 12 PSBs. Secretary Financial Services is M. Nagaraju.
Who topped JEE Advanced 2026 and with what score?
Shubham Kumar from the IIT Delhi zone secured AIR 1 in JEE Advanced 2026 with 330 out of 360 marks. Arohi Deshpande was the female topper.
Who was elected President of the UNGA 81st Session on 2 June 2026?
Bangladesh's Foreign Minister Khalilur Rahman was elected President of the United Nations General Assembly (UNGA) for its 81st session on 2 June 2026.
How many ABHA accounts has the Ayushman Bharat Digital Mission crossed?
The Ayushman Bharat Digital Mission (ABDM) has crossed 90 crore ABHA (Ayushman Bharat Health Account) registrations.
What is PM SVANidhi and how old is it as of June 2026?
PM SVANidhi (PM Street Vendor's AtmaNirbhar Nidhi) is a central sector micro-credit scheme launched in June 2020 during the COVID-19 pandemic to support urban street vendors. As of June 2026, it has completed six years and benefited over 75 lakh vendors.
What was significant about Justice V. Mohana's appointment to the Supreme Court?
Justice V. Mohana was sworn in on 2 June 2026 as the 12th woman judge of the Supreme Court of India. She is the first woman directly elevated from the Bar in five years. With her appointment, the Supreme Court's strength rose to 37 judges.
Which state received the President's Police Colour from President Droupadi Murmu?
Sikkim Police received the President's Police Colour at Paljor Stadium. Sikkim became the 15th state in India and the 3rd state from the North-East to receive this honour.
What record did South Korea's KSTAR tokamak achieve?
South Korea's KSTAR (Korea Superconducting Tokamak Advanced Research) device sustained plasma in high-confinement mode for 102 seconds, a major breakthrough in nuclear fusion research.