China considers new export curbs on solar, AI, biotech

International Relations & Technology · 17 October 2026 · Based on The Hindu (original report)

Worth reading — 1 past UPSC question on this theme (Prelims GS-1 2018); also both a Prelims fact and a Mains debate.

2-minute summary

In October 2026, China's Ministry of Commerce and Ministry of Science and Technology unveiled a draft policy titled 'Announcement No. 48', proposing comprehensive export controls on 40 cutting-edge technologies across artificial intelligence, biomedicine, and photovoltaics (PV). The policy outlines a complete export ban on 14 critical technologies, including next-generation perovskite and tandem solar-cell manufacturing, as well as AI tools capable of generating autonomous malicious code. Additionally, export restrictions are proposed for 26 technologies, notably high-capacity polysilicon manufacturing lines producing over 30,000 tonnes annually. This development poses significant strategic and economic headwinds for India's clean energy transition. While India has been expanding its domestic solar cell and module assembly under the Production Linked Incentive (PLI) scheme, it remains heavily dependent on Chinese upstream inputs like polysilicon, ingots, and wafers. Restricting foreign technology transfers and licensing could slow down India's efforts to achieve complete backward integration in renewable energy manufacturing.

Why it's in the news

China announced draft regulations ('Announcement No. 48') to ban or restrict the export of 40 strategic technologies in solar manufacturing, AI foundation models, and biotechnology. The move highlights deepening weaponisation of critical supply chains, directly impacting India's plans to build domestic solar manufacturing capacity.

Facts to remember

• China's Ministry of Commerce and Ministry of Science and Technology proposed 'Announcement No. 48' in October 2026 to restrict exports of 40 critical technologies.
• The policy proposes a complete export ban on 14 technologies and restrictions on 26 technologies across photovoltaics, AI, and biomedicine.
• Perovskite and tandem solar-cell module manufacturing technologies are listed under the proposed complete export ban.
• Export restrictions apply to polysilicon manufacturing technologies involving production lines with an annual output capacity of at least 30,000 tonnes.

Background and context

China controls over 80% of the global solar photovoltaic (PV) manufacturing supply chain, maintaining near-monopolistic control over upstream components such as metallurgical-grade silicon, polysilicon, ingots, and wafers. While India has achieved significant capacity in assembling finished solar panels, its domestic industry remains vulnerable due to reliance on imports for basic raw materials and high-efficiency cell manufacturing technology. Following border friction in 2020, India introduced Press Note 3 to restrict investments from land-bordering countries without prior government approval. However, to meet its ambitious 500 GW non-fossil energy capacity target by 2030, India relaxed foreign investment restrictions in March 2026 for critical upstream sectors like polysilicon and wafer fabrication. China's new export restrictions ('Announcement No. 48') demonstrate a counter-strategy of weaponising technology dominance, constraining technology transfers and licensing agreements to emerging manufacturing hubs like India.

Government schemes

• National Programme on High Efficiency Solar PV Modules (PLI Scheme) — Provides financial incentives to promote fully integrated solar manufacturing plants in India, covering polysilicon, ingots, wafers, cells, and modules.

International organisations

• World Trade Organization (WTO) — Oversees global trade rules, including provisions under the General Agreement on Tariffs and Trade (GATT) Article XXI regarding national security exceptions for export controls.

Previous UPSC questions on this theme

• Prelims GS-1 2018 — With reference to solar power production in India, consider the following statements : 1. India is the third largest in the world in the manufacture of silicon wafers used in photovoltaic units. 2. The solar power tariffs are determined by the Solar Energy Corporation of India. Which of the statements given above is/are correct ? (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2

Mains practice: In light of growing technological weaponisation and export controls by key global suppliers, examine the challenges facing India's clean energy transition. What strategic measures are needed to achieve technological self-reliance in critical sectors?

The transition to clean energy is increasingly governed by geo-economic realpolitik. China's draft 'Announcement No. 48' imposing export bans and restrictions on 40 critical technologies—including perovskite solar cells, tandem modules, and polysilicon lines exceeding 30,000 tonnes annual capacity—underscores the risk of technology concentration in critical supply chains.

• Impact on India's Energy Transition:

- Upstream Bottlenecks: India's domestic solar ecosystem is heavily downstream-heavy. While module capacity is expanding under the MNRE's Production Linked Incentive (PLI) Scheme for High Efficiency Solar PV Modules, upstream dependence on Chinese silicon wafers and polysilicon persists.

- Technology Upgradation Delay: Banning exports of next-generation technologies like perovskite and tandem solar cells risks locking Indian manufacturers into older silicon-based technologies, reducing long-term efficiency and competitiveness.

- FDI and Joint Venture Restrictions: Despite India streamlining investment approvals in March 2026 for ingot-wafer segments, Chinese regulatory controls will prevent tech transfers and licensing deals with Indian partners.

• Strategic Measures for Technological Self-Reliance:

- R&D and Academic Partnerships: The Department of Science and Technology (DST) must establish dedicated consortiums linking academia (e.g., IITs) with industry to commercialise perovskite and tandem solar cell technologies indigenously.

- Supply Chain Diversification: India should leverage bilateral partnerships under the Quad Critical and Emerging Technology Working Group and the India-EU Trade and Technology Council (TTC) to secure alternative equipment and raw material suppliers.

- Aggressive Capital Expenditure Incentives: Expand the scope of the PLI scheme to offer higher capital subsidies for deep-upstream fabrication units (polysilicon and ingots).

Way Forward:

- Establish a National Critical Technology Mission to identify, fund, and protect core technologies in green energy and artificial intelligence.

- Foster resilient trade corridors with international partners to mitigate single-country dependency.

To fulfill its COP26 commitment of achieving 500 GW non-fossil capacity by 2030, India must transition from being a technology importer to an indigenous technology developer, ensuring strategic autonomy in its energy security.

Prelims practice questions

Q1. Consider the following statements regarding photovoltaic technologies and foreign trade policies: 1. Perovskite solar cells are composed entirely of rare-earth metallic elements and contain no organic components. 2. Under China's 'Announcement No. 48' draft rules, a complete export ban is placed on low-capacity polysilicon lines producing under 5,000 tonnes annually. 3. The Production Linked Incentive (PLI) scheme for High Efficiency Solar PV Modules is administered by the Ministry of Power. How many of the above statements are correct?

1. Only one
2. Only two
3. All three
4. None

Answer: D. Statement 1 is incorrect: Perovskite solar cells utilize a specific hybrid organic-inorganic crystal structure (usually lead or tin halide-based), not pure rare-earth metallic elements. Statement 2 is incorrect: Announcement No. 48 proposes export restrictions (not a complete ban) on high-capacity polysilicon manufacturing lines with annual outputs of at least 30,000 tonnes. Statement 3 is incorrect: The solar PLI scheme is implemented by the Ministry of New and Renewable Energy (MNRE), not the Ministry of Power.

Q2. With reference to global technology controls and solar energy manufacturing, consider the following statements: Statement-I: Next-generation tandem solar cells combining silicon and perovskite layers offer higher theoretical conversion efficiencies than traditional single-junction silicon solar cells. Statement-II: China's draft policy 'Announcement No. 48' proposes a complete ban on exporting perovskite and tandem solar module manufacturing technologies to safeguard its national security and economic leadership. Which one of the following is correct in respect of the above statements?

1. Both Statement-I and Statement-II are correct and Statement-II explains Statement-I
2. Both Statement-I and Statement-II are correct but Statement-II does not explain Statement-I
3. Statement-I is correct but Statement-II is incorrect
4. Statement-I is incorrect but Statement-II is correct

Answer: B. Both statements are factually correct based on scientific principles and the news report. Tandem solar cells stack two distinct light-absorbing materials (like perovskite over silicon) to capture different light spectrum wavelengths, yielding significantly higher theoretical efficiency than single-junction cells. Statement-II is also correct as China's Ministry of Commerce proposed a complete export ban on perovskite and tandem solar-cell manufacturing technologies in October 2026 under 'Announcement No. 48'. However, Statement-II explains Beijing's policy rationale, not the physical science behind tandem cell efficiency.

Q3. In the context of semiconductor and solar photovoltaic manufacturing, what is 'polysilicon'?

1. A high-purity crystalline form of silicon used as an essential raw material in solar cell manufacturing.
2. An advanced alloy composed of silicon and rare earth elements used to enhance grid energy storage.
3. A composite material embedded in wind turbine blades to facilitate efficient kinetic power transmission.
4. A synthetic polymer utilized as an outer protective coating for photovoltaic panel encapsulation.

Answer: A. Polysilicon (polycrystalline silicon) is a hyper-pure form of silicon that serves as the fundamental building block for both semiconductor microchips and solar photovoltaic cells. Raw quartz blocks are refined into metallurgical silicon and further purified into polysilicon, which is then melted to form ingots, sliced into wafers, and processed into PV cells.

Revision flashcards

• What is the primary nodal ministry implementing the PLI Scheme for High Efficiency Solar PV Modules? Ministry of New and Renewable Energy (MNRE).
• What is Press Note 3 (2020) issued by the Government of India? A rule mandating prior government approval for foreign direct investment (FDI) coming from countries sharing a land border with India.
• In October 2026, which Chinese policy draft proposed export bans on 14 technologies including perovskite solar cell manufacturing? Announcement No. 48 (issued jointly by the Ministry of Commerce and the Ministry of Science and Technology).
• Under China's October 2026 draft controls, what annual production threshold subjects polysilicon engineering technologies to export restrictions? Production lines with an annual output capacity of at least 30,000 tonnes.
• Why are tandem solar cells combining perovskite and silicon considered a disruptive technology in photovoltaics? They absorb different spectrums of sunlight, exceeding the theoretical efficiency limits of conventional single-junction silicon solar cells.