What Happened
- On March 11, 2026, the US Trade Representative (USTR) initiated Section 301 investigations into the trade and industrial policies of 16 economies — including India, China, the EU, Japan, South Korea, Vietnam, Indonesia, and others — citing "structural excess capacity" in manufacturing sectors.
- The probe targets industries including aluminum, automobiles, batteries, cement, chemicals, electronics, semiconductors, ships, solar modules, steel, and processed food and beverages.
- For India specifically, the USTR cited evidence of excess capacity in solar modules, petrochemicals, and steel sectors.
- A public comment period opens March 17, 2026; written submissions are due by April 15, 2026; a formal hearing is scheduled for May 5, 2026.
- The investigation is distinct from tariff actions already in force; if USTR finds "unjustifiable or unreasonable" practices, it can recommend additional tariffs or other trade actions.
Static Topic Bridges
Section 301 of the US Trade Act of 1974: Mechanism and History
Section 301 (Title III, Sections 301–310 of the Trade Act of 1974) grants the Office of the US Trade Representative (USTR) broad authority to investigate and counter foreign government trade practices deemed "unjustifiable, unreasonable, or discriminatory" that burden or restrict US commerce. It authorises retaliatory measures including additional tariffs, import restrictions, and denial of trade benefits. The provision was used extensively in the 1980s-90s against Japan and other trading partners, then fell into relative disuse during the WTO era (1995-2016), and was revived aggressively during the Trump administrations.
- Section 301 can be self-initiated by USTR or triggered by petition from any "interested person."
- USTR must determine whether to initiate within 45 days of a petition.
- If a violation is found "unjustifiable," retaliatory action is mandatory; for "unreasonable or discriminatory" practices, it is discretionary.
- The most consequential recent use: the 2018 Section 301 investigation into China's technology transfer and IP practices led to US tariffs of 25% on $250 billion worth of Chinese goods.
- WTO compatibility of Section 301 actions is disputed; the WTO Appellate Body has ruled against several US Section 301 measures, but the US has blocked new Appellate Body appointments since 2017, effectively paralysing the dispute settlement mechanism.
Connection to this news: The new probe focuses on "structural excess capacity" — a newer framing — rather than the earlier focus on IP theft, but the legal mechanism and potential for tariff retaliation remain unchanged.
India's Trade Policy Vulnerabilities and WTO Position
India has historically maintained relatively high tariff levels compared to OECD countries and has resisted liberalisation in sensitive sectors (agriculture, dairy, and certain manufacturing). The USTR has repeatedly flagged India's tariff structure, price controls on medical devices, data localisation requirements, and e-commerce regulations as trade irritants. India filed a WTO dispute against US steel and aluminium tariffs (Section 232), reflecting its willingness to use multilateral mechanisms — though the WTO Appellate Body's incapacitation limits effective relief.
- India's average applied MFN tariff: approximately 13-15% (well above the global average of ~6-8%), particularly high in agriculture and processed foods.
- India was removed from the US Generalised System of Preferences (GSP) in June 2019 — the first major rupture in recent trade relations — over market access disputes.
- India filed WTO disputes against US Section 232 tariffs on steel and aluminium in 2018; the dispute remains unresolved.
- Solar modules: India imposed Basic Customs Duty (BCD) of 40% on imported solar modules and 25% on solar cells from April 2022 to support domestic manufacturing — a key trigger for the USTR's overcapacity focus on Indian solar.
Connection to this news: The Section 301 probe adds pressure to ongoing India-US bilateral trade agreement negotiations. India's solar, steel, and petrochemical industries will face heightened scrutiny.
Global Supply Chain Restructuring: China+1 and India's Position
The Section 301 investigations targeting 16 economies — essentially all major manufacturing exporters other than the US — reflect a broader US strategy to rebalance global supply chains away from overcapacity-driven, subsidised manufacturing. For India, this creates a dual dynamic: vulnerability in sectors flagged (solar, steel, petrochemicals) while simultaneously signalling an opportunity to position India as a preferred alternative to Chinese manufacturing in sectors the US is trying to diversify away from.
- China accounts for the largest share of global excess capacity in solar panels (~80% of global solar manufacturing), steel (~57% of global output), and batteries (~75% of global EV battery production).
- India's Production Linked Incentive (PLI) schemes — including for solar modules (₹24,000 crore outlay), advanced chemistry cell batteries, and steel — are designed to build competitive manufacturing capacity.
- India-US Initiative on Critical and Emerging Technology (iCET), launched in January 2023, is the bilateral framework for technology supply chain cooperation.
- The US is negotiating bilateral trade agreements as leverage: an interim India-US trade deal framework was announced in February 2026.
Connection to this news: Even as the US probes India's manufacturing policies, it simultaneously views India as a key diversification destination. The Section 301 probe is as much a negotiating tool as a punitive measure in the context of the ongoing trade deal talks.
Key Facts & Data
- 16 economies under investigation: India, China, EU, Japan, South Korea, Vietnam, Taiwan, Indonesia, Malaysia, Cambodia, Thailand, Bangladesh, Singapore, Switzerland, Norway, Mexico
- Sectors targeted in India: solar modules, petrochemicals, steel (plus broader: textiles, health goods, construction materials, automotive)
- Public comment deadline: April 15, 2026; USTR hearing: May 5, 2026
- India's average MFN tariff: ~13-15% (among highest of major economies)
- India removed from US GSP: June 2019
- India's Basic Customs Duty on solar modules: 40% (from April 2022)
- China share of global solar manufacturing: ~80%; global steel output: ~57%
- India-US iCET framework: launched January 2023
- Section 301 originally enacted: 1974; key recent use: 2018 China tech probe → $250B in US tariffs on Chinese goods