Exam-focused current affairs for BPSC and UPSC Prelims, with Bihar linkage, static concepts, key facts, exam traps and interactive MCQs based on the supplied 09 September lecture captions.
09 SEPTEMBER 2026 • BPSC / UPSC PRELIMS
01
Railways • Green Hydrogen • Clean Mobility
India's First Hydrogen-Powered Train: Jind-Sonipat Route and Higher-Speed Trials
The lecture highlights India's first hydrogen-powered train on the Jind-Sonipat section in Haryana, its fuel-cell working principle, and efforts to raise operating speed while targeting routes that are difficult to electrify.
17 July 2026flag-off date stated in the lecture
89 kmJind-Sonipat section
110 km/hspeed being targeted for operation
120 km/htrial speed mentioned
Route & operating idea
Route: Jind-Sonipat section of Northern Railway in Haryana.
The lecture gives the section length as about 89 km.
Initial operation is described around 75 km/h; a 120 km/h trial is mentioned, with efforts to run the train at up to 110 km/h.
Hydrogen trains are especially useful on non-electrified or difficult-to-electrify routes, including difficult terrain.
They are not presented as a replacement for all busy fully electrified routes, where direct electric traction remains more efficient.
How the fuel-cell train works
Hydrogen + oxygen react in a fuel cell to generate electricity on board.
The electricity powers the traction motor, which drives the train.
Main by-products mentioned are water vapour and heat.
There is no conventional fuel combustion at the point of use, helping reduce tailpipe carbon emissions and smoke.
The project is linked in the lecture with the National Green Hydrogen Mission and future low-carbon transport.
Hydrogen + Oxygen→Fuel Cell→Electricity→Traction Motor→Train Movement
Question 1: Consider the following statements regarding India's first hydrogen-powered train:
02
Environment • NCAP • Bihar
Swachh Vayu Survekshan 2026: Lucknow Tops, Patna Rises to 16th
The fifth Swachh Vayu Survekshan awards assess how cities implement air-pollution control measures under the National Clean Air Programme rather than simply ranking present-day ambient air quality.
Lucknowrank 1 • 198 points
Indorerank 2 • 197 points
Jabalpurrank 3
Patnarank 16 • 178 points
What does the survey measure?
Announced by the Ministry of Environment, Forest and Climate Change; evaluation support is linked with the CPCB and urban local bodies.
The assessment covers 130 cities under the National Clean Air Programme (NCAP).
Cities are judged on implementation of clean-air action plans, including road-dust control, waste/biomass burning, construction and demolition dust, vehicular emissions, industrial pollution, public awareness, monitoring and PM10 improvement.
The 2026 exercise also highlighted ward-level performance.
Survey ranking != current AQI ranking: the survey rewards pollution-control effort and progress, while AQI describes actual ambient air quality at a given time.
NCAP & Bihar angle
NCAP launched: 2019; cities prepare local clean-air action plans.
The lecture states that 108 of 130 cities reduced PM10 from the baseline; 72 reduced it by at least 20%, 26 by at least 40%, and 14 achieved the PM10 standard.
Patna: improved from rank 27 in 2025 to rank 16 in 2026 and received a Rs 40 lakh prize, as stated in the lecture.
Muzaffarpur: rank 28; Gaya: rank 35.
Ward-level recognitions mentioned include Patna Ward 43, Patna Ward 9 and Gaya Ward 32 in their respective population categories.
Large-city ranking highlighted in the lecture
Rank
City
1
Lucknow
2
Indore
3
Jabalpur
Joint 4
Bhopal & Agra
5
Surat
Question 2: With reference to Swachh Vayu Survekshan 2026, consider the following statements:
03
Economy • Exports • District Development
Districts as Export Hubs Initiative: Turning Every District into an Export-Planning Unit
The initiative seeks to identify district-level products and services with export potential, prepare District Export Action Plans and connect local producers with logistics, certification, e-commerce and global markets.
Aug 2019initiative introduced
FTP 2023institutionalised in Chapter 3
770+districts covered/identified by 2026, as stated
590draft District Export Action Plans stated
Institutional structure
Nodal department: Department of Commerce, Ministry of Commerce & Industry.
Implementing agency: Directorate General of Foreign Trade (DGFT).
The initiative was included in Chapter 3 of Foreign Trade Policy 2023.
State Export Promotion Committee provides state-level direction; district-level committees identify local export potential.
A District Export Action Plan maps products/services, bottlenecks, logistics needs, certification, market access and interventions.
Core idea & Bihar potential
Each district is treated as a unit of export planning, not merely a unit of production.
The lecture links the initiative with the One District One Product approach while noting that export-hub planning can cover multiple products and services.
It is described as a convergence-support approach, linking existing Central and State schemes rather than a separate standalone centrally funded scheme.
The broader benefits include global market access for MSMEs, farmers, artisans, FPOs and local entrepreneurs.
Identify local strengths→District Export Action Plan→Logistics / Certification / E-commerce→Market Access→Exports & Jobs
Question 3: Consider the following statements regarding the Districts as Export Hubs initiative:
04
Geography • Volcanoes • Disaster Management
Anak Krakatau Eruption Disrupts Indonesian Aviation
The lecture uses the latest Anak Krakatau eruption to connect current affairs with the Sunda Strait, the Pacific Ring of Fire, convergent plate margins and the risks volcanic ash poses to aviation.
Sunda Straitbetween Java and Sumatra
7 airportsreported shut in the current disruption
1883historic Krakatau eruption
2018Anak Krakatau flank-collapse tsunami
Location & tectonic setting
Anak Krakatau means the 'Child of Krakatau' and lies in Indonesia's Sunda Strait, between Java and Sumatra.
Indonesia lies within the Pacific Ring of Fire, a major belt of volcanism and earthquakes.
The lecture links frequent Indonesian eruptions to active convergent plate margins and subduction, involving the Indo-Australian plate and the Sunda/Eurasian margin.
Subduction promotes melting and magma generation, contributing to volcanic eruptions, earthquakes and tsunami hazards.
Why volcanic ash is dangerous for aviation
Fine ash can damage or shut down aircraft engines.
It can reduce pilot visibility and abrade windshields and aircraft surfaces.
Ash can interfere with sensors and navigation.
Deposited ash can make runways unsafe.
The lecture states that the latest disruption affected large numbers of travellers and flights, with seven airports shut and eight temporarily affected overall.
Krakatau chronology highlighted
Period
Event
1883
Catastrophic Krakatau eruption; the lecture cites about 36,000 deaths.
Late 1920s
Anak Krakatau emerged from the old caldera area.
2018
Flank collapse triggered a Sunda Strait tsunami; the lecture cites roughly 400 deaths.
2026
Current eruption sent volcanic ash into air routes and disrupted aviation.
Question 4: With reference to Anak Krakatau, consider the following statements:
05
Internal Security • Narcotics • Bihar
Drug-Free India Target 2029: Narcotics-Control Vision, NCORD and Border Vulnerability
The lecture presents a three-year narcotics-control roadmap running from 2026 to 2029, combining enforcement, synthetic-drug control, demand reduction, rehabilitation and inter-agency coordination.
2026-2029vision period
4 pillarsstrategy framework
NCORDfour-tier coordination mechanism
1985NDPS Act
Four pillars of the roadmap
1. Enforcement: target supply chains from street peddlers to major networks and their forward/backward linkages.
2. Precursor & synthetic-drug control: strengthen control over synthetic drugs and precursor chemicals.
3. Demand & harm reduction: awareness, de-addiction, treatment and rehabilitation.
4. Capacity building & coordination: stronger institutions, forensic capability, data sharing, technology and joint action.
The lecture says the Vision Document on Narcotics Control 2026-2029 was released on 26 June 2026.
Institutions, laws & Bihar angle
NCORD: four-tier coordination system — apex level chaired by the Union Home Minister, executive level by the NCB Director General, State level by the Chief Secretary and district level by the District Magistrate.
Narcotics Control Bureau: under the Ministry of Home Affairs; the lecture gives 17 March 1986 as its establishment date.
NDPS Act, 1985 forms the central legal framework; the lecture also mentions the Prevention of Illicit Traffic in NDPS Act, 1988.
NIDAAN portal: central database of arrested NDPS offenders; helpline 1933 is also mentioned for assistance/support.
Bihar's proximity to the open India-Nepal border and its rail/road corridors is highlighted as a trafficking vulnerability requiring coordination among police, border agencies and districts.
Golden Crescent vs Golden Triangle
Region
Countries named in the lecture
Golden Crescent
Afghanistan, Pakistan, Iran
Golden Triangle
Myanmar, Laos, Thailand
Question 5: With reference to India's anti-drug strategy, consider the following statements:
06
Bihar • Agriculture • GI • Value Addition
Mithila Makhana Development Scheme Expanded Across 21 Bihar Districts
The Bihar-focused initiative seeks to move makhana from traditional cultivation toward a modern value-chain agribusiness through improved seed, cultivation, processing, grading, packaging, branding and market linkage.
21 districtsexpanded scheme coverage
Up to 75%subsidy on eligible components
2022Mithila Makhana GI tag
DarbhangaNational Research Centre for Makhana
Makhana basics & Bihar leadership
Scientific name:Euryale ferox; also known as fox nut/gorgon nut.
It is an aquatic crop, traditionally grown in ponds, wetlands and oxbow lakes; field-system cultivation is also being promoted.
The lecture identifies Mithila, Kosi and Seemanchal as the core production belt.
Bihar is described as India's dominant makhana producer, contributing around 85-90% of Indian production and a very large share of global supply.
Mithila Makhana received a GI tag in 2022.
Value-chain support
Support covers improved seed, cultivation, harvesting, processing, grading, packaging, branding and marketing.
Farmers can receive up to 75% subsidy on eligible components, with benefits transferred through DBT as stated in the lecture.
Beneficiaries include farmers, FPOs, women self-help groups, processors and local entrepreneurs.
The lecture links the sector with the National Makhana Board, a central outlay of Rs 476.03 crore for the stated multi-year period, and the ICAR National Research Centre for Makhana at Darbhanga.
A separate Harmonised System code for makhana is mentioned as improving trade visibility.
