UPSC Mains Current Affairs for 1 June 2026

Domestic Solar Cell Mandate – Boost for Self-Reliance, Challenge for Industry

June 1, 2026

Domestic Solar Cell Mandate Latest News

From June 1, 2026, the Union Government has mandated the use of domestically manufactured solar cells in all new net-metering and open access solar projects.
The move aims to reduce dependence on imports, strengthen India's solar manufacturing ecosystem, and support the vision of Atmanirbhar Bharat in renewable energy.
However, concerns have emerged regarding supply constraints, rising costs, and potential market consolidation.

Understanding the Solar Manufacturing Value Chain

Solar panel manufacturing involves multiple stages: Polysilicon → Ingots → Wafers → Solar Cells → Solar Modules (Panels).
Solar cells convert sunlight into electricity. Multiple cells are assembled into solar modules/panels used for power generation.
India possesses a large solar module manufacturing capacity (Installed - ~200 GW per annum) but has a much lower solar cell manufacturing capacity (~30 GW), making the industry heavily dependent on imported cells.

Key Features of the New Mandate

Projects covered: The domestic cell sourcing requirement applies to -
- Net-metering projects: Primarily rooftop solar installations, and includes projects under PM Surya Ghar: Muft Bijli Yojana. Consumers can feed surplus electricity into the grid and offset power bills.
- Open access projects: Renewable energy projects supplying power directly to commercial and industrial consumers.
Government's position:
- Industry sought an extension of the deadline for the mandated use of domestically manufactured solar cells.
- However, the government clarified that there would be no blanket extension.
- Limited relaxations may be granted for projects that have already made substantial progress, such as land acquisition, grid connectivity arrangements, and module installation.

Concerns Raised by the Industry

Supply constraints:
- Domestic cell production remains significantly lower than module manufacturing capacity (cell capacity: ~30 GW vs module capacity: ~200 GW).
- This mismatch could create shortages of domestically manufactured cells.
Challenges for non-integrated manufacturers:
- Many module manufacturers do not produce their own cells and depend on external suppliers.
- These firms may now face procurement difficulties, becoming dependent on large integrated competitors that manufacture both cells and modules, and operating at a competitive disadvantage.
Market consolidation risks:
- Industry experts fear that integrated players may prioritize selling cells due to higher profit margins.
- Smaller manufacturers could struggle to survive. The sector may witness consolidation, reducing competition.
Cost escalation:
- According to industry representatives, domestic cell manufacturers currently enjoy margins of around 20–30% due to limited competition.
- Modules made using domestic cells are substantially costlier than those using imported cells.
- Rising costs could affect project economics and deployment rates.
Impact on employment and ancillary industries:
- Industry bodies warn that more than 125 module manufacturers and 500 ancillary industries could face financial stress.
- Smaller players may find compliance difficult unless domestic cell capacity expands significantly.
Additional sectoral pressures:
- The transition comes at a challenging time for the solar industry -
  - Module manufacturing capacity (effective/ current output) is estimated at 60–65 GW annually.
  - Solar installations are projected at around 45 GW in 2025–26.
  - Several manufacturers are operating at only 30–40% capacity utilisation.
  - Export opportunities have weakened due to high tariff barriers in the United States.
- These factors have intensified concerns regarding oversupply and profitability.

Supporters of the Policy

Strengthening domestic manufacturing: Supporters argue that the mandate provides long-term certainty and encourages investment in domestic manufacturing.
According to industry assessments, India's solar cell manufacturing capacity could reach nearly 100 GW by 2027.
This would reduce import dependence, particularly on Chinese solar supply chains, and helps in achieving India's climate commitments.
Adequate capacity outlook: Industry proponents contend that fears of shortages are exaggerated because large utility-scale projects bid before August 31, 2025 are exempt from the cell sourcing requirement.
Push towards backward integration:
The policy is expected to encourage module manufacturers to invest in cell manufacturing, and greater vertical integration across the solar value chain.
It will help in the development of a stronger indigenous renewable energy ecosystem, aligning with Atmanirbhar Bharat, Make in India, and energy security objectives.

Conclusion

The policy reflects a strategic shift from merely deploying solar capacity to building a complete domestic manufacturing ecosystem.
The success of the policy will depend on how quickly domestic cell manufacturing scales up and whether policymakers can balance industrial development with maintaining a competitive and diverse solar market.

Source: IE

Domestic Solar Cell Mandate FAQs

Q1: What is the primary objective of India's domestic solar cell sourcing mandate?

Ans: To reduce import dependence, strengthen domestic solar manufacturing, and promote energy self-reliance.

Q2: Why are non-integrated solar module manufacturers concerned about the new domestic cell mandate?

Ans: They depend on externally sourced cells and may face supply shortages, higher costs, and competitive disadvantages.

Q3: How can the domestic solar cell mandate contribute to India's renewable energy ecosystem?

Ans: It encourages backward integration, boosts domestic manufacturing capacity, and enhances resilience.

Q4: What structural challenge does the solar sector face despite having large module manufacturing capacity?

Ans: India's solar cell manufacturing capacity remains significantly lower than module manufacturing capacity, creating supply bottlenecks.

Q5: What is the long-term significance of expanding domestic solar cell manufacturing for India?

Ans: It supports energy security, industrial growth, employment generation, and the achievement of India's climate targets.

Aravalli Range: India’s Weakening Dust Shield and Its Environmental Impact

June 1, 2026

Aravalli Range Latest News

A massive dust storm in Churu, Rajasthan recently — affecting districts including Hanumangarh, Sri Ganganagar, Bikaner, Nagaur, Alwar, and Sikar — went viral on social media.
This drew attention to a critical but underappreciated ecological reality: the Aravalli range serves as India's natural shield protecting the densely populated Indo-Gangetic plains from Thar Desert dust storms.
However, this shield is rapidly weakening due to mining, deforestation, and urbanisation.

Dust Storms Over Northern India — The Climatic Context

Dust storms originating from the Thar Desert are a regular pre-monsoon phenomenon in northern India (April-June), fuelled by intense heat, dry conditions, and south-westerly and westerly winds.
The IMD's Climate Hazards and Vulnerability Atlas of India (based on 1981-2010 data) shows that parts of northwest India fall in the highest dust-storm frequency class — averaging 0.89 to 1.55 dust-storm days.
Delhi and neighbouring districts already lie in a high-exposure zone. In June specifically, Delhi records a storm frequency of 2.5 days — the highest in the country for that month.
As the Aravallis degrade, the impact of these storms is intensifying.

The Aravalli Range — India's Natural Dust Shield

The Aravalli range stands physically between the Thar Desert and the Indo-Gangetic plains — one of the world's most densely populated regions.
When dust-laden winds blow in from the Middle East and the Thar Desert during the pre-monsoon months of April to June, they run into the Aravallis, lose speed, and drop their load of sand — preventing it from reaching Delhi, Punjab, Haryana, and Uttar Pradesh.
This natural filtering process is visually evidenced by "obstacle dunes" — large sand deposits found on the western slopes of the Aravallis, directly exposed to hot winds from the west.
The vegetation growing on these dunes resembles desert flora. Where additional tree cover exists, winds must pass through it — creating a "natural scrubbing effect" that reduces the movement of sand and dust.
As per the environmental researchers, these dunes are visual proof of the protective role the Aravalli range plays in interception of dust.

State of the Aravalli Range — Alarming Degradation

A Forest Survey of India (FSI) assessment of 2018 found that 31 of the 128 Aravalli hills in Rajasthan had completely disappeared due to anthropogenic (human-caused) pressures.
There has also been a significant loss of hills with 200-600 metres elevation in areas like Naraina, Kalwar, Kotputli, Jhalana, and Sariska.
The Environment Ministry's Aravalli Restoration Framework flagged multiple causes behind the degradation:
- Mining of red silica, granite, and other minor minerals
- Deforestation and loss of vegetation cover
- Urbanisation and construction activities
- Land-use change and encroachments
- Pastoral activities (overgrazing)
A 2009 Wildlife Institute of India (WII) study identified 12 gaps in the Aravalli range that have expanded further due to forest degradation and inadequate vegetation cover.
These gaps act as unprotected corridors through which dust freely passes into the northern plains.

Consequences of Aravalli Degradation

The weakening of the Aravalli shield has multiple cascading consequences:
- Increased Dust Storm Frequency — Growing gaps in the range threaten to increase the frequency of sand and dust storms in Delhi, Punjab, and Uttar Pradesh.
- Worsening Delhi's Air Quality — Regular dust-laden winds contribute to particulate matter pollution — directly degrading air quality in the national capital region.
- Impact on Rainfall — The range's degradation can affect rainfall patterns in surrounding regions — as mountains and forests influence precipitation.
- Alteration of Solar Radiation — Dust can affect the scattering of sunlight, temporarily altering surface temperatures over large areas — with implications for agriculture, human health, and regional climate.
Scientists have underscored the need for "long-term investigation and analysis on dust frequency and load over northern India" — indicating that the full consequences of Aravalli degradation are still being understood.

Source: IE

Aravalli Range FAQ

Q1: Why is the Aravalli Range called India's natural dust shield?

Ans: The Aravalli Range acts as a barrier between the Thar Desert and the Indo-Gangetic plains, reducing the spread of dust and sand storms.

Q2: How does the Aravalli Range protect northern India?

Ans: The Aravalli Range slows dust-laden winds, traps sand deposits, and reduces the movement of particulate matter towards densely populated regions.

Q3: What threats does the Aravalli Range face?

Ans: The Aravalli Range is threatened by mining, deforestation, urbanisation, land-use changes, encroachments, and excessive grazing activities.

Q4: What are the consequences of degradation of the Aravalli Range?

Ans: Degradation of the Aravalli Range can increase dust storms, worsen air pollution, alter rainfall patterns, and affect regional climate conditions.

Q5: Why is the conservation of the Aravalli Range important?

Ans: Protecting the Aravalli Range is essential for controlling dust movement, improving air quality, supporting ecosystems, and safeguarding environmental stability in northern India.

India-Nepal Boundary Issue and Nepal PM’s Remarks on Border Encroachment

June 1, 2026

India Nepal Boundary Latest News

Recent remarks by Nepal Prime Minister Balendra Shah on the India-Nepal boundary dispute have triggered political debate and renewed attention on the unresolved border issues between the two countries.

India-Nepal Boundary Issue: Background

India and Nepal share an open international border of nearly 1,850 km stretching across Uttarakhand, Uttar Pradesh, Bihar, West Bengal and Sikkim.
While most of the boundary has been demarcated, a few segments remain disputed.
Origins of the Dispute
- The roots of the dispute lie in the Treaty of Sugauli (1816) signed between the East India Company and Nepal after the Anglo-Nepalese War.
- The treaty identified the Kali (Mahakali) River as the western boundary of Nepal.
- However, disagreements emerged regarding the exact source of the river, leading to competing territorial claims.
Major Disputed Areas:
- Kalapani
  - Kalapani is a strategically important area located near the India-Nepal-China tri-junction. India administers the region as part of Uttarakhand, while Nepal claims it as part of its Darchula district.
- Lipulekh Pass
  - Lipulekh is a mountain pass connecting India with Tibet and serves as an important route for the Kailash Mansarovar Yatra and border trade with China. Nepal claims the pass as part of its sovereign territory.
- Limpiyadhura
  - Nepal argues that the Kali River originates from Limpiyadhura, which would place Kalapani and Lipulekh within Nepalese territory. India disputes this interpretation.

Recent Developments

In 2020, Nepal issued a new political map incorporating Kalapani, Lipulekh and Limpiyadhura within its territory.
India rejected the move, describing it as a unilateral action inconsistent with historical facts and existing understandings.
Mechanisms for Resolution
- India and Nepal have generally favoured a peaceful and diplomatic approach to resolving the dispute through:
  - Bilateral dialogue
  - Joint boundary mechanisms
  - Survey and mapping exercises
  - Historical and cartographic examination by experts
- Despite occasional tensions, both countries have consistently reiterated their commitment to resolving the issue through negotiations.

News Summary

Nepal Prime Minister Balendra Shah recently stated in the Nepalese Parliament that he was surprised to learn that the border issue may not be entirely one-sided.
According to him, while Nepal has long maintained that India has encroached upon Nepalese territory, there could also be locations where Nepal occupies land claimed by India.
He stated that both countries should objectively examine the facts and resolve the matter amicably as friendly neighbours.

Diplomatic Engagement with India

The Prime Minister revealed that Nepal had formally sent a diplomatic note to India regarding territories that Kathmandu considers disputed, including Lipulekh.
According to Shah, India responded positively, and both sides agreed to pursue dialogue-based solutions.
He stated that future discussions could involve teams comprising Historians, Surveyors and Boundary experts.
The objective would be to establish factual clarity and arrive at a mutually acceptable settlement.

Reference to China and the United Kingdom

A notable aspect of Shah’s remarks was his statement that Nepal had discussed the boundary issue not only with India but also with China and the United Kingdom.
He argued that the United Kingdom has a historical connection to the issue because the present boundary arrangements originated during the British colonial period.
This observation attracted attention because India has traditionally maintained that all bilateral boundary issues should be resolved directly between India and Nepal without third-party involvement.

Reactions Within Nepal

The Prime Minister’s assertion that Nepal may also be occupying territory claimed by India generated significant debate within Nepal.
Several former diplomats and boundary experts questioned the claim.
Former Nepal ambassador to India Nilambara Acharya stated that there is no official evidence suggesting Nepal has encroached upon Indian territory.
He noted that nearly 97% of the India-Nepal boundary issues have already been resolved, with only a limited number of disputed segments remaining.
Experts also clarified that instances of farmers cultivating land across the border because of damaged or missing boundary pillars should not be interpreted as state-sponsored territorial encroachment.

Implications for Bilateral Relations

The remarks come at a sensitive time in India-Nepal relations.
Earlier, Nepal had objected to the resumption of the Kailash Mansarovar Yatra route through Lipulekh Pass, arguing that the area falls within its territory.
India rejected the objection, describing Nepal's position as a unilateral expansion of territorial claims.
The latest controversy could influence ongoing diplomatic engagements between the two countries, although both governments continue to publicly support dialogue and peaceful resolution of outstanding boundary disputes.

Source: TH | IE | TOI

India Nepal Boundary FAQs

Q1: Which are the major disputed areas in the India-Nepal boundary dispute?

Ans: Kalapani, Lipulekh and Limpiyadhura are the principal disputed areas.

Q2: Which treaty forms the basis of the India-Nepal boundary dispute?

Ans: The Treaty of Sugauli signed in 1816 forms the basis of the boundary arrangement.

Q3: Why is Lipulekh strategically important?

Ans: It serves as a route for the Kailash Mansarovar Yatra and trade with Tibet.

Q4: What percentage of the India-Nepal boundary has reportedly been resolved?

Ans: Around 97% of the boundary issues have reportedly been settled.

Q5: How do India and Nepal intend to resolve the boundary dispute?

Ans: Through bilateral dialogue supported by historians, surveyors and technical experts.

Adivasi Delisting Debate: ST Status and Religious Conversion in India

June 1, 2026

Adivasi Delisting Debate Latest News

Two recent developments in Jharkhand have revived the long-running and deeply divisive debate around religious identity and Scheduled Tribe (ST) reservations.
First, when the population census process began in Jharkhand on May 16, appeals circulated among Adivasi communities to write "Sarna" (their traditional tribal faith) — not "Hindu" — in the religion column.
A week later, a large Sangh-affiliated Adivasi gathering in New Delhi demanded "delisting" — removal of ST benefits for tribal people who convert to Christianity or Islam.

What is Delisting

Delisting refers to the demand that tribal people who convert to Christianity or Islam should no longer receive Scheduled Tribe reservation benefits.
The demand is primarily raised by Adivasi Hindus and organisations affiliated to the RSS-BJP ecosystem.
However, the Sarna community — which does not identify as either Hindu or Christian and follows an indigenous tribal faith — argues that if religion becomes the basis for removing tribal status, the same logic should apply to tribal people who converted to Hinduism as well — pointing to the inherent inconsistency in the selective application of the demand.

The Constitutional Distinction — SC vs ST

This debate has significant constitutional dimensions.
A recent Supreme Court observation reiterated that Dalits converting to Christianity or Islam cannot continue to claim Scheduled Caste status under Article 341 of the Constitution — which explicitly links SC status to religion (specifically Hinduism, Sikhism, and Buddhism).
However, Article 342 — which governs Scheduled Tribes — does not mention religion at all.
This crucial distinction is now central to the delisting debate — because unlike SCs, STs were never defined on religious grounds under the Constitution, making delisting legally far more complex.

The Two Sides of the Debate

Pro-Delisting Camp
- The Janjati Suraksha Manch (JSM) — affiliated with the Sangh's tribal outfit Akhil Bharatiya Vanavasi Kalyan Ashram — organised the New Delhi gathering recently, attended by Union Home Minister Amit Shah.
- Several Adivasi groups, including some from the Northeast, backed the delisting demand — arguing that religious conversion breaks the cultural and social continuity that justifies ST status.
- The Delhi event, however, triggered a separate controversy. Home Minister Shah used the word "vanvasi" (meaning forest dweller) while talking about Adivasis — prompting protests in Jharkhand.
- Critics argued that "vanvasi" reduces tribal identity to geography alone, while "Adivasi" — meaning "original inhabitants" — carries a deeper political and historical identity linked to land and indigeneity that the term "vanvasi" deliberately erases.
Anti-Delisting Camp
- The Sarna community and the Christian Adivasi Mahasabha organised a large counter-rally in Jashpur, Chhattisgarh.
- Adivasi activists from Jharkhand and Chhattisgarh — especially Sarna followers — extended solidarity to Christian Adivasis.
- Their core argument is that tribal identity is ethnic, cultural, and historical — not religious — and that conversion does not strip away the social backwardness, land dispossession, and discrimination that form the actual basis of ST status.

Historical Origins of the Delisting Demand

The roots of the delisting demand are traced to Baba Kartik Oraon — a prominent Adivasi leader and later a Union Minister in Indira Gandhi's cabinet.
In 1962, Kartik Oraon lost his debut Lok Sabha election from Lohardaga (an ST-reserved constituency) and argued before the Patna High Court that since his opponent had converted to Christianity, he no longer qualified as a tribal and should be disqualified.
The Patna High Court rejected this argument — holding that "Oraon is primarily a tribe and ethnic identity, not merely a religion."
It observed that Christian Oraons retained their clan system, tribal customs, and festivals — concluding that they were "Oraons first and Christians next."
This judgment remains a foundational precedent cited by opponents of delisting.

The 1967-1969 Parliamentary Attempt

Later, in August 1967, the government introduced the 'Scheduled Castes and Scheduled Tribes Order Amendment Bill' to revise inclusion and exclusion of castes and tribes.
A Joint Parliamentary Committee (1969) proposed amending the Bill to exclude Christian and Muslim tribal converts from the ST category.
However, the government expressed reservations and Parliament never adopted the proposal — effectively maintaining the status quo that ST status is religion-neutral.

The Core Constitutional Question

The delisting debate ultimately rests on a fundamental question — what is the basis of ST identity? Is it religious, ethnic, cultural, or socio-economic?
The constitutional framework under Article 342 clearly defines ST status on ethnic, social, and historical grounds — not religious ones.
The Patna High Court's precedent reinforces this — tribal identity survives religious conversion because the social backwardness, community ties, and historical disadvantages that justify ST status do not disappear with a change of faith.

Source: IE

Adivasi Delisting Debate FAQs

Q1: What is the Adivasi Delisting Debate?

Ans: The Adivasi Delisting Debate concerns demands to remove Scheduled Tribe benefits from tribal individuals who convert to Christianity or Islam.

Q2: Why is the Adivasi Delisting Debate gaining attention?

Ans: The Adivasi Delisting Debate resurfaced following discussions on Sarna identity during census activities and renewed demands for delisting converted tribal communities.

Q3: How does the Constitution relate to the Adivasi Delisting Debate?

Ans: The Adivasi Delisting Debate revolves around Article 342, which grants ST status without linking it to any religion, unlike Scheduled Caste provisions.

Q4: What are the arguments against the Adivasi Delisting Debate?

Ans: Opponents argue that tribal identity is ethnic and cultural, and conversion does not eliminate historical disadvantages, discrimination, or social backwardness.

Q5: What is the key constitutional question in the Adivasi Delisting Debate?

Ans: The Adivasi Delisting Debate raises questions about whether Scheduled Tribe identity is primarily based on religion, ethnicity, culture, or socio-historical disadvantage.