Current Affairs 13 July 2026

INS Mahendragiri — India’s Sixth Nilgiri-Class Stealth Frigate Commissioned

On 11 July 2026, the Indian Navy commissioned INS Mahendragiri at the Naval Dockyard, Visakhapatnam, in the presence of Union Defence Minister Rajnath Singh and Chief of Naval Staff Admiral Krishna Swaminathan. The ceremony was held at the Eastern Naval Command (ENC) headquarters. Mahendragiri is the sixth commissioned warship of the Nilgiri-class (Project 17A) and the seventh and final hull of the programme. Built by Mazagon Dock Shipbuilders Limited (MDL), Mumbai and designed by the Indian Navy’s Warship Design Bureau (WDB), she is also the 100th ship designed and delivered by the WDB.

Project 17A was approved by the Cabinet Committee on Security (CCS) in 2015 to build a next-generation class of stealth guided-missile frigates for the Indian Navy. The programme contracts were split between two public-sector shipyards: four hulls at MDL, Mumbai (Mazagon Dock) and three hulls at GRSE, Kolkata (Garden Reach Shipbuilders & Engineers). The seven ships are collectively called the Nilgiri-class, named after the lead ship INS Nilgiri, which was commissioned in January 2025.

Project 17A is the successor to Project 17 (Shivalik-class frigates), of which three ships were built between 2003 and 2010. Compared with the Shivalik class, the Nilgiri class features enhanced stealth characteristics, greater automation, upgraded weapon and sensor suites, and a significantly higher degree of indigenisation.

The WDB is the in-house design organisation of the Indian Navy, responsible for the conceptual and detailed design of all indigenously built warships. Its work on the Nilgiri class places India among the handful of nations capable of independently designing, constructing, and commissioning large surface combatants. INS Mahendragiri is the WDB’s 100th designed-and-delivered warship, a major institutional milestone.

INS Mahendragiri carries over 75% indigenous content, a sharp contrast with earlier Indian warships that relied heavily on imports, especially from Russia and Western Europe. The construction involved a wide network of Indian micro, small, and medium enterprises (MSMEs), consistent with the Aatmanirbhar Bharat framework in defence. India has set a target of a 200-ship Navy by 2035, with all new ships to be built domestically.

• Indian Ocean Region (IOR) Presence: India’s 7,500 km coastline and 2.4 million sq km Exclusive Economic Zone (EEZ) make blue-water capability essential. About 90% of India’s trade and oil/gas imports transits maritime routes.
• Anti-access counter: The P17A frigates are designed for the full spectrum of maritime operations — Anti-Air Warfare (AAW), Anti-Surface Warfare (ASuW), Anti-Submarine Warfare (ASW), and Humanitarian Assistance and Disaster Relief (HADR) — giving India a credible multi-mission combatant.
• Defence manufacturing hub: Defence Minister Rajnath Singh highlighted that Andhra Pradesh is emerging as a hub for defence and aerospace manufacturing, with the ENC at Visakhapatnam serving as the operational base.
• Technological shift: Singh cautioned against over-reliance on emerging technologies, noting that while AI, cyber warfare, drones, and hypersonic weapons are transforming warfare, trained soldiers and national resolve remain the bedrock of security.
• CODOG propulsion: This allows the ship to use diesel engines for fuel-efficient cruising and switch to gas turbines for high-speed sprints — balancing endurance and performance without the cost of a full COGAG (all gas turbine) arrangement.

Monsoon Raindrop Evaporation — First Observational Estimate from IITM Pune

Researchers at the Indian Institute of Tropical Meteorology (IITM), Pune, have published the first observational estimate of raindrop evaporation over the Western Ghats. The study, led by Saikat Sengupta and published in the peer-reviewed journal Atmospheric Chemistry and Physics, found that on average, about 25% of rain mass evaporates in mid-air before reaching the ground during the southwest monsoon — though the rate can swing between 4% and 61% on any given day across the four monsoon months of June through September.

The Southwest (SW) Monsoon (June–September) is driven by a differential in air pressure between the heated Indian landmass and the cooler Indian Ocean. The Intertropical Convergence Zone (ITCZ) shifts northward in summer, drawing moisture-laden winds from the Arabian Sea and Bay of Bengal. Orographic lifting along the Western Ghats forces this moist air upward, causing condensation and heavy rainfall on the windward (western) slopes. The Ghats thus act as the principal rain-shadow boundary of the Indian peninsula.

The SW monsoon contributes approximately 75–80% of India’s annual rainfall. It is fundamental to agriculture, groundwater recharge, river flow, and hydropower generation. Even small systematic errors in modelling monsoon rainfall can have large downstream consequences for water-resource planning.

When a raindrop forms inside a cloud and begins falling, it passes through unsaturated air below the cloud base — the sub-cloud layer. In this layer, the drop can partially or fully evaporate before reaching the ground. The rate of evaporation depends on:

• Drop size: Smaller drops have a higher surface-area-to-volume ratio and evaporate faster; large drops from intense rainfall survive better.
• Relative humidity of sub-cloud air: Drier air accelerates evaporation (hence higher rates over Rajasthan and lower over the coast).
• Temperature: Higher temperatures increase the vapour pressure deficit and drive evaporation.
• Fall distance (cloud-base height): Taller sub-cloud layers give drops more time to evaporate.

Sub-cloud evaporation is not merely a water-loss measurement. When a drop evaporates, it absorbs latent heat from surrounding air, cooling the sub-cloud layer. This cooling drives downdrafts, which create cold pools at the surface — pockets of cool, dense air that act as “triggers” for the next burst of convective rainfall. Errors in modelling this process propagate into errors in simulating the monsoon’s self-organising behaviour.

Most water (H₂O) contains ordinary hydrogen and oxygen. A small natural fraction, however, carries heavier isotopes — either heavy oxygen (¹⁸O) or deuterium (²H, heavy hydrogen). These heavier molecules are slightly more sluggish. When a raindrop evaporates, the lighter molecules escape preferentially, leaving the surviving drop enriched in heavy isotopes. Conversely, rain that evaporated very little retains a lighter isotopic signature.

By measuring the isotope ratio (using a laser spectrometer) of both rainwater collected at the surface and atmospheric vapour, and feeding the results into a one-dimensional Below Cloud Interaction Model (BCIM), the researchers back-calculated how much of the original rain mass had evaporated during the fall.

• Rainwater and atmospheric vapour samples were collected at ground level in Pune during the 2019 southwest monsoon.
• Collecting vapour samples was technically challenging: each sample required 6–7 hours of trapping atmospheric moisture by freezing.
• IITM is now acquiring portable real-time vapour analysers that can read vapour isotope ratios continuously, enabling network-scale monitoring.
• IITM already operates a nine-site rainwater isotope network spanning from the Himalaya and the northeast to Port Blair in the Andaman & Nicobar Islands, where sampling has continued for a decade.

The Western Ghats figure sits at the lower end of global estimates, reflecting the relatively humid, moisture-saturated sub-cloud environment during the monsoon. At Barbados, smaller drops and much drier air result in near-total evaporation of light-rain events, while intense downpours see little evaporation regardless of location.

• Model accuracy: Numerical Weather Prediction (NWP) and General Circulation Models (GCMs) currently represent sub-cloud evaporation with global parameterisations that do not account for India’s specific conditions. This study provides the first India-specific observational anchor for improving those parameters.
• Rainfall forecasting: Getting evaporation wrong skews predicted surface rainfall amounts and the spatial distribution of rain — particularly important for agriculture-dependent regions.
• Atmospheric cooling: Errors in sub-cloud evaporation translate into errors in modelling cold pools, downdrafts, and the triggering of subsequent convective events — a process sometimes called “cold pool convective organisation.”
• India-wide mapping: The technique can now be deployed across IITM’s nine-site isotope network and extended further. Sengupta expects evaporation rates to vary sharply from the rain-soaked coast to arid Rajasthan, and the portable analysers will enable that mapping.
• Climate projections: Better sub-cloud evaporation estimates will improve projections of how the monsoon may shift under climate change scenarios — critical for long-range water-resource and agricultural policy.

AI in Indian Courts — CJI’s Caution and the Draft Regulations 2026

Chief Justice of India Justice Surya Kant, addressing a summit organised by the Indian Institute of Arbitration and Mediation, stated that Artificial Intelligence may triage disputes, organise evidence, or draft translations, but the moment it begins to weigh one party’s equities against another’s, it has stopped assisting and started deciding — a role no algorithm has earned. His remarks came alongside the Supreme Court’s Draft Regulations for Use of Artificial Intelligence in Courts, 2026, issued on 3 June 2026, currently out for public comment until 15 July 2026. Separately, a bench led by Justice P.S. Narasimha (who chairs the SC’s AI Committee) found that a tribunal had relied on AI-hallucinated — entirely fabricated — verdicts to decide a real case, prompting a call for “zero-tolerance” to blind reliance on machine-generated legal content.

India’s courts face a chronic pendency crisis: over 5 crore (50 million) cases pending across all levels of the judiciary as of recent estimates. The Supreme Court alone has a backlog running into tens of thousands of cases. This has driven interest in using technology — from simple case management systems to AI — to improve efficiency without compromising fairness.

• e-Courts Mission Mode Project (Phase I launched 2005): Digitised case records, created the Case Information System (CIS), National Judicial Data Grid (NJDG). Phase III is ongoing, with ₹53.57 crore earmarked for AI and blockchain components under the Union Minister for Law & Justice Arjun Ram Meghwal’s Lok Sabha reply (December 2025).
• SUVAS (Supreme Court Vidhik Anuvad Software): AI tool for translating Supreme Court judgments into regional languages.
• SUPACE (Supreme Court Portal for Assistance in Court’s Efficiency): AI tool for research assistance — aggregating and analysing case-relevant data for judges.
• NJDG (National Judicial Data Grid): Real-time database of cases pending and disposed across district and taluka courts; enables pendency monitoring.

An AI hallucination occurs when a generative AI system confidently produces false information — in legal contexts, typically fabricated case citations. Several incidents in India and globally have involved lawyers submitting petitions with non-existent precedents generated by tools like ChatGPT. The CJI had earlier in 2026 warned that some lawyers were using AI to draft petitions containing fake case citations, calling it “absolutely uncalled for.” The Punjab & Haryana High Court responded in April 2026 by issuing a circular banning judicial officers from using AI tools (including ChatGPT, Gemini, and Copilot) for legal research or writing judgments.

AI is explicitly permitted (with written approval and supervision) for: case management, transcription, translation, legal research, document summarisation, accessibility tools, and general court administration. Courts are required to “actively seek opportunities” to deploy AI systems that demonstrably improve access to justice, reduce delays, or enhance administrative efficiency.

• Using AI for risk scoring to assess flight risk of accused persons.
• Using AI to predict recidivism (likelihood of reoffending).
• Using AI to evaluate bail eligibility.
• Using AI to determine witness credibility.
• Using AI to profile or predict future conduct of parties, accused, witnesses, or legal representatives.
• Submitting AI-generated output as independent evidence without disclosing its AI-generated character.
• Using blackbox (unexplainable) AI systems in matters affecting personal liberty.

These prohibitions are absolute and non-derogable — no authority under the regulations can later permit them.

If a court uses an AI tool to materially assist it in any aspect of case management, document analysis, or judicial administration, it must inform the parties in a timely and accessible manner. Minor or non-material AI use does not trigger this disclosure requirement.

Private companies may be involved in supplying AI tools, but only with written approval and subject to mandatory contract terms: ownership of court data and AI outputs must rest with the court; vendors are barred from using sensitive judicial data; vendors cannot retain or fine-tune models using court data without AI Committee approval; vendors cannot claim exclusive IP over tools built substantially on judicial data or public resources.

Satluj and Section 69A — OTT Regulation, Censorship, and Free Speech

On 5 July 2026, two days after its premiere, the film Satluj (originally titled Punjab ’95) was removed from ZEE5’s Indian catalogue. The film — directed by Honey Trehan and starring Diljit Dosanjh — chronicles the life of human rights activist Jaswant Singh Khalra. The Ministry of Information and Broadcasting (MIB) directed the takedown under Section 69A of the Information Technology Act, 2000, citing “security concerns.” The Centre subsequently referred the film to an Inter-Departmental Committee (IDC) constituted under Rule 14 of the IT Rules, 2021 for detailed examination. The film remains accessible internationally via ZEE5 Global.

Jaswant Singh Khalra was a Punjabi human rights activist who, in the early 1990s, documented what he alleged were widespread extrajudicial killings, enforced disappearances, and secret cremations of victims during Punjab’s militancy years. He claimed that approximately 25,000 people had been secretly cremated across the state — bodies registered as unclaimed to conceal alleged custodial killings by Punjab Police.

In September 1995, Khalra was abducted from outside his home in Amritsar. He was never seen again. The CBI investigated the case and concluded that police officers had taken him to a police station in Tarn Taran, where he was killed in custody. In 2005, four Punjab Police personnel were convicted and sentenced to seven years’ imprisonment. In 2007, the Punjab and Haryana High Court enhanced their sentences to life imprisonment.

• 2022: Makers submitted the film under the title Punjab ’95 to the CBFC for a theatrical certification. The CBFC proposed 127 cuts before agreeing to certify it.
• The filmmakers declined to make the cuts; the theatrical release was indefinitely delayed.
• 3 July 2026: Film released uncut on ZEE5 under the renamed title Satluj. OTT platforms fall outside CBFC jurisdiction, so no prior certification was required.
• 5 July 2026: MIB directed ZEE5 to remove the film, citing security concerns. ZEE5 complied, citing “current developments,” but continued streaming internationally.
• 7 July 2026: Centre referred the matter to the IDC under Rule 14 of IT Rules 2021 for formal examination.

The Central Board of Film Certification (CBFC) functions under the Cinematograph Act, 1952. It is a statutory body under MIB that certifies films for theatrical exhibition in India. Films cannot be shown in theatres without CBFC certification. The CBFC may certify films with cuts or conditions, or refuse certification. Filmmakers can appeal to the Film Certification Appellate Tribunal (FCAT).

Content released directly on OTT platforms does not require CBFC certification. Such content is instead regulated under the Information Technology (Intermediary Guidelines and Digital Media Ethics Code) Rules, 2021 (IT Rules 2021), specifically Part III, which applies to “publishers of online curated content” (i.e., OTT platforms). These rules prescribe a three-tier self-regulatory structure:

• Level 1: Self-regulation by the publisher (OTT platform).
• Level 2: Self-regulation by an industry-level self-regulatory body.
• Level 3: Oversight by an inter-departmental committee of the MIB.

Important caveat: The Bombay High Court in 2021 stayed the operation of the Code of Ethics under Part III of the IT Rules 2021; the Madras High Court subsequently clarified that this stay has a pan-India effect. The constitutional validity of certain IT Rules provisions remains under challenge before the Delhi High Court.

Section 69A empowers the Central Government to direct any agency of the government, or any intermediary, to block public access to online content on any of the following grounds:

• Sovereignty and integrity of India
• Defence of India
• Security of the State
• Friendly relations with foreign states
• Public order
• Prevention of incitement to the commission of a cognisable offence

The Supreme Court in Shreya Singhal v. Union of India (2015) upheld Section 69A specifically because it contains procedural safeguards: a reasoned written order, an opportunity for the publisher to be heard, and review by a designated committee. These safeguards make it constitutionally valid under Article 19(2) reasonable restrictions. However, if the blocking order remains confidential (under Rule 16 of the Blocking Rules), the affected party cannot challenge it effectively — undermining the rationale of Shreya Singhal.

Unlike theatrical films that go through pre-certification (CBFC), OTT content is subject to post-publication executive control via Section 69A and IT Rules. Critics argue this creates a regime where content can be blocked by executive order without the structured, transparent certification process that cinema goes through — effectively making Section 69A a parallel censorship mechanism for streaming content. The Satluj case has sharpened this debate, with the filmmakers having the option to challenge the blocking order via a writ petition under Article 226 before a High Court.

China’s Helium Export Ban — Geopolitics of a Critical Gas

On 10 July 2026, China’s Ministry of Commerce and the General Administration of Customs jointly announced an immediate, temporary ban on helium exports, citing its Foreign Trade Law and relevant regulations. No fixed lifting date was specified. The ban comes as global helium supplies are already under severe strain from the conflict in West Asia, which has disrupted helium flows through the Strait of Hormuz — the chokepoint through which roughly a third of global helium production (Qatar) is routed.

Helium is a non-renewable resource. It is not manufactured; instead, it is generated deep within the Earth’s crust through the radioactive decay of uranium and thorium atoms, which emit alpha particles. These alpha particles capture electrons to form helium atoms. Over millions of years, the gas migrates upward and becomes trapped in the same geological reservoirs as natural gas. Helium is extracted commercially from natural gas fields where its concentration exceeds 0.3% by volume. Once helium escapes into the atmosphere, it rises and is lost to space — it cannot be recovered in any practically meaningful quantity.

• Lowest boiling point of any element: −269°C (just 4 K above absolute zero). This makes it the only practical cryogenic coolant for temperatures this low.
• Chemically inert: Does not participate in chemical reactions, making it safe as a coolant and purging gas in sensitive manufacturing processes.
• Smallest atoms: Helium atoms are so small they can detect leaks through gaps too narrow for oxygen or nitrogen molecules.
• Low density: Second lightest element after hydrogen; used for lifting in balloons and airships.

• Signal effect: China re-exports a significant volume of helium it imports, particularly to Asian markets. A ban on exports cuts off downstream buyers in East and Southeast Asia who rely on China as a transit point.
• Transport infrastructure: Helium can only be transported in vacuum-jacketed stainless steel vessels. Several key manufacturers of these specialised containers are Chinese. A prolonged ban could indirectly affect transport capacity.
• Strategic pattern: China has progressively tightened export controls on critical materials during periods of geopolitical tension: rare earths (2010 and 2023), gallium and germanium (July 2023), graphite (October 2023), and now helium. Each restriction targets materials essential to semiconductor or defence supply chains.
• Domestic semiconductor priority: China is aggressively expanding domestic chip fabrication capacity. The ban ensures its domestic fabs have guaranteed access to available helium stocks at a time when global supply is tight.
• Price impact: Spot prices in Northeast Asia had already risen to $150–205 per thousand cubic feet in June 2026 — nearly double late-2025 levels. U.S.-based supplier Airgas invoked force majeure and added a surcharge of $13.50 per hundred cubic feet to existing contracts.

• Purification & liquefaction facility: Mid-to-large scale costs >$100 million; smaller plants ~$10 million.
• Underground salt-cavern storage: Rare geological formations; developing a new one costs >$200 million.
• Compressed gas storage: Up to $10 million to build.
• Cryogenic liquid storage: $0.5–$20 million depending on capacity.
• Liquid helium boil-off: Helium begins boiling off into the atmosphere once a container’s “holding time” expires — creating irreversible losses if delivery is delayed.

• Semiconductor fabs: India’s nascent chip fabrication ecosystem (Tata Electronics/Foxconn fab in Gujarat, CG Power in Sanand) requires helium for heat management and clean-room environments; higher spot prices feed directly into operating costs.
• ISRO: Uses helium to pressurise fuel tanks in launch vehicles (PSLV, GSLV, LVM3); a global helium squeeze adds procurement risk to the launch calendar.
• Medical sector: MRI magnets in Indian hospitals require liquid helium topping-up; tighter supply raises hospital operating costs.
• No domestic production: India has no significant helium extraction capacity; it is entirely import-dependent. Helium does not currently appear on India’s official Critical Minerals List (2023, 30 minerals) — a potential gap in strategic planning.

Why Red Is the Colour of Danger — Wavelength, Perception, and Physics

A recurring science explainer question: why is red universally adopted as the colour of danger, stop signals, and warnings across human civilisation? The answer combines atmospheric physics, evolutionary biology, and the geometry of colour contrast.

• Longest wavelength in visible spectrum: Red light has wavelengths of approximately 620–750 nm — the longest of any colour in the visible range (VIBGYOR order: violet is shortest at ~380–450 nm). Longer wavelengths are scattered least by atmospheric particles (dust, fog, rain) — this is why red signals are visible at far greater distances than blue or green ones through adverse weather.
• Rayleigh scattering: The physics principle governing this is Rayleigh scattering, where scattering intensity is inversely proportional to the fourth power of wavelength (λ⁻⁴). Shorter wavelengths (blue, violet) scatter far more; red scatters the least — hence red sunsets and red danger signals both survive long atmospheric paths.
• Evolutionary hardwiring: Red is the colour of blood and fire — two of the most primal threats in human evolutionary history. The sight of red triggers a subtle fight-or-flight response, measurably increasing heart rate and sharpening attentional focus.
• Contrast against natural backgrounds: The Earth’s natural palette is dominated by blue (sky and ocean) and green (foliage). Red makes a stark chromatic contrast against both, ensuring high visibility in natural environments. This is why early railroad and automotive engineers standardised red for stop signals.
• On Mars: A red stop sign would be ineffective on Mars, whose landscape is dominated by reddish-orange dust and whose sky often carries a pinkish hue from iron oxide particles. Effective danger colours on Mars would likely be cyan or deep blue — the complementary (opposite) colours on the colour wheel to reddish-orange.

Kerala’s Fading Research Hubs — JNTBGRI and the Bioeconomy Opportunity

Kerala’s biological research institutions are in decline, with policy support for basic science eroding and premier institutions becoming increasingly politicised, at a time when the global bioeconomy is expanding at an unprecedented pace. The article argues for a course correction before the state becomes a spectator to opportunities it is uniquely positioned to lead.

The Jawaharlal Nehru Tropical Botanic Garden and Research Institute (JNTBGRI), Palode, Thiruvananthapuram district, was established following the 1972 UN Conference on the Human Environment (Stockholm Conference). Spread across approximately 300 acres, it houses over 50,000 plant accessions representing more than 5,000 species — one of Asia’s largest tropical plant collections.

• Jeevani: JNTBGRI researchers developed Jeevani, an anti-fatigue herbal formulation based on the traditional knowledge of the Kani tribe of Kerala — an internationally cited model of Access and Benefit Sharing (ABS) under the Convention on Biological Diversity (CBD).
• 2024 Award: JNTBGRI received the Botanic Gardens Conservation International (BGCI) Global Genome Initiative for Gardens Award for its conservation work.
• Current crisis: Experienced scientists have retired without adequate replacement; the number of research scholars has declined; technical expertise built over decades is at risk of disappearing.

• Politicisation of institutions: Research organisations thrive when scientific excellence determines leadership; when political considerations dominate appointments, scientific culture suffers and talented young researchers are driven away.
• New institutions vs. existing ones: A tendency to create new institutions while existing ones face vacancies and ageing infrastructure; scientific excellence cannot be built by inaugurating new buildings.
• India’s R&D gap: India’s Gross Expenditure on R&D (GERD) stands at approximately 0.65% of GDP vs. the global average of ~1.8% and China’s ~2.4%; basic research bears a disproportionate share of under-investment.
• Global bioeconomy expansion: Countries worldwide are investing heavily in biotechnology, synthetic biology, nutraceuticals, and biodiversity-based industries. Kerala’s Western Ghats — a UNESCO World Natural Heritage Site and global biodiversity hotspot — gives it unique raw material for participating in this revolution.
• Peer institutions at risk: The Kerala Forest Research Institute and the Malabar Botanical Garden are named as other institutions with internationally recognised collections facing similar structural challenges.