KAVACH Version 4.0 Commissioned on SCR: India’s Indigenous Automatic Train Protection System Explained

Subsea Cables Carry 99% Internet Traffic: Vulnerabilities, Ownership Concentration & India's Resilience Plan

Subsea cables carry over 99% of global internet traffic, yet their supply chain is concentrated among a few private players and hyperscalers, making them vulnerable to sabotage, cyberattacks, and economic disruption. Recent NATO, Finland, and China incidents highlight intensifying threats, while India is building repair capacity via a DoT single-window clearance portal. This is a high-yield topic for GS3 infrastructure, science-tech, and security questions.

AM/NS India Supplies 100% Steel for INS Malvan, 2nd Mahe Class ASW Shallow Watercraft Commissioned

INS Malvan, the Indian Navy's latest indigenously-built Anti-Submarine Warfare Shallow Watercraft (ASW-SWC), has been commissioned using specialised steel from AM/NS India's Hazira plant in Surat. This highlights India's growing defence indigenisation (80%+ content) and the strategic role of Gujarat's industrial ecosystem in national security.

SCR Celebrates 60 Years: Kavach First Tested, DigiPay & Unmanned Crossing Elimination Achieved

South Central Railway (SCR) marks 60 years of transformation from Nizam-era narrow gauge to modern LHB trains and Kavach auto-protection system. Key milestones include first testing of India's indigenous train protection system (Kavach), elimination of all unmanned level crossings by 2018, and 100% LED-lit stations. With 93% electrification and 454 daily trains, SCR is a model zone for technological and safety upgrades.

Amit Shah Flags Off India's First LNG-Powered Train: Dual-Fuel Tech to Cut Diesel Use by 40%

India's first LNG-powered train, flagged off by Amit Shah from Sabarmati, marks a major shift towards cleaner fuel in railways. The dual-fuel system can replace up to 40% of diesel, cutting emissions and saving Rs 23.9 lakh per year per rake. This is a key initiative for sustainable transportation and energy efficiency.

Amit Shah Launches ₹1,542 Cr Railway Projects in Gujarat: First LNG Train, WAG-12 Shed, Kavach

Union Home and Cooperation Minister Amit Shah launched railway projects worth over ₹1,542 crore in Gujarat, including India's first LNG-powered train, a WAG-12 locomotive maintenance shed, Kavach safety system, automatic signalling, and line doubling. This signals a push toward safer, greener and higher-capacity rail operations — a strong source of Prelims data points and Mains material on infrastructure modernisation.

Indian Railways Launches First LNG-Diesel Dual-Fuel DEMU Train; 40% Diesel Replacement, Rs 23.9 Lakh Annual Savings

Indian Railways has launched its first LNG-diesel dual-fuel DEMU train from Sabarmati, Gujarat, capable of replacing 40% diesel consumption. This follows the hydrogen train launched in July 2026, marking a strategic shift towards alternative fuels to reduce costs and emissions. For exam aspirants, this is a key case study in energy transition and infrastructure modernization.

INS Nipun Commissioned: Indian Navy's 2nd Nistar-class Diving Support Vessel Enhances Submarine Rescue Capability

INS Nipun, the Indian Navy's second Nistar-class Diving Support Vessel, was commissioned at Mumbai. Built indigenously by HSL, it enhances India's submarine rescue, deep-sea diving, and salvage capabilities, marking a step towards Aatmanirbhar Bharat in defence.

Govt to Mandate Design-in-India Chips for Smart Meters by Mid-2028, 7.24 Cr Installed

The government plans to mandate domestically designed and manufactured chips in smart meters by mid-2028 to counter cybersecurity threats and reduce import dependence. With 7.24 crore smart meters already installed under various schemes, this move also aims at cost reduction and grid modernization under the new National Electricity Policy.