Researchers at IIT Guwahati have developed a MXene-based catalyst capable of performing two critical functions:

1. Efficient hydrogen production from water

2. Acting as a photocatalyst for desalination

This dual functionality makes it a promising material for sustainable energy generation and clean water technologies.

About MXenes

MXenes are a family of two-dimensional (2D) materials first discovered in 2011. They are derived from a bulk crystal called MAX, with the general chemical formula Mn+1XnTx, where:

• M is an early transition metal

• X is carbon and/or nitrogen

• T represents a functional group on the MXene surface, typically O, OH, or F

Among MXenes, titanium carbide (Ti3C2Tx) is the most widely used due to its stability and versatility.

Properties of MXenes

MXenes possess a unique combination of properties that make them highly suitable for advanced technological applications:

• High electrical conductivity, enabling efficient electron transport

• Excellent mechanical strength and flexibility

• Good chemical stability in diverse environments

• Hydrophilicity, allowing interaction with water molecules

• Tunable surface chemistry, enabling functionalization for specific applications

Applications of MXenes

1. Energy Storage Devices

MXenes can be used as electrodes in lithium-ion batteries, supercapacitors, and other energy storage devices, enhancing performance and stability.

2. Water Desalination and Wastewater Treatment

Their hydrophilic nature and photocatalytic potential make MXenes ideal for desalination processes and purification of wastewater, addressing critical water scarcity challenges.

3. Separation and Filtration

Due to their flexibility, conductivity, and chemical stability, MXenes are also useful in industrial separation and filtration processes, providing efficient material handling and processing.

Significance of the IIT Guwahati Catalyst

The MXene-based catalyst developed by IIT Guwahati represents a significant advance in green technology. By combining hydrogen generation and photocatalytic desalination, it offers a dual solution for energy and water security, two of the most pressing challenges in sustainable development.

The Geological Survey of India (GSI) has recently declared the hill region surrounding the Kalinjar Fort in Banda as a National Geo-Heritage Site. This recognition highlights not only the fort’s historical and cultural significance but also its unique geological features, which make it a site of scientific and educational importance.

About Kalinjar Fort

Kalinjar Fort is located in the Banda district of Uttar Pradesh, perched on an isolated hilltop in the Vindhya Mountains, overlooking the Ken River. It is regarded as one of the oldest and most impressive forts in India, due to its strategic location and architectural grandeur. The fort’s elevated position made it a coveted site, with many decisive battles fought for its possession across ancient, medieval, and modern periods.

Historical Significance

The history of Kalinjar Fort spans over 1,500 years. Historical records and inscriptions indicate that a strategic fort was established here during the Gupta period (4th–6th century CE). Later, during the Chandela dynasty (9th–13th century CE), Kalinjar became one of their capitals, serving dual purposes: as a military fortification and a religious centre.

Notable historical events include repeated attacks by Mahmud Ghaznavi, Qutubuddin Aibak, and Humayun, none of whom succeeded in capturing the fort. Eventually, in 1569 CE, the fort was captured by Akbar, who gifted it to Birbal. Later, it came under the control of Bundela king Chhatrasal and subsequently Hardev Shah of Panna. In 1812, the fort fell under British control.

Architectural and Cultural Features

Kalinjar Fort houses a rich variety of structures, including mosques, temples, palaces, and stepwells, reflecting its diverse historical influences. One of its main attractions is the Neelkanth Temple, built by the Chandela ruler Paramaditya Dev. The temple features a Shiva lingam made of blue stone and a giant 18-armed statue, demonstrating the artistic and religious significance of the site.

Geological Importance

The fort is built on a hilltop in the Vindhya range, which showcases significant geological formations. The GSI’s designation as a National Geo-Heritage Site recognizes the scientific, educational, and heritage value of the area, promoting conservation and study of its unique rock formations and geomorphology.

Conclusion

Kalinjar Fort is not only a symbol of India’s military and cultural history but also an important geological landmark. Its designation as a National Geo-Heritage Site will help preserve its historical and scientific significance for future generations, while highlighting its potential for tourism, education, and research.

Recent scientific studies have traced the evolution of the Ladakh Magmatic Arc (LMA) in the Northwest Himalaya, revealing insights into its complex geological history. The LMA represents a long-extinct volcanic system that evolved over tens of millions of years, reflecting interactions between tectonic plates, subduction processes, and magmatic activity.

About the Ladakh Magmatic Arc

The Ladakh Magmatic Arc is a belt of igneous rocks located in the Trans-Himalaya. It formed between the Jurassic and Eocene periods, approximately 201.3 million years ago to 33.9 million years ago. Scientists identify three major phases of geological activity in its evolution:

1. Early Island Arc Formation (160–110 million years ago)

2. Intensified Magmatism During Plate Convergence (103–45 million years ago)

3. Post-Collisional Magmatic Activity (less than 45 million years ago)

The LMA provides a record of the dynamic processes that occurred as the Indian Plate approached and eventually collided with the Eurasian Plate, shaping the Himalaya and Trans-Himalayan regions.

Process of Formation

Millions of years ago, the region now known as Ladakh lay above an ancient ocean called the Neo-Tethys Ocean. Beneath this ocean, giant slabs of the Earth’s crust were subducted into the mantle in a process known as subduction. This process generated intense heat and pressure, giving rise to magmatic activity that formed the Ladakh Magmatic Arc.

Phases of the Ladakh Magmatic Arc Formation

1. Island Arc Formation

In its earliest phase, Ladakh resembled a chain of volcanic islands emerging from the Neo-Tethys Ocean. This stage is represented by the Dras–Nidar Island Arc Complex (DNIAC). During this phase:

• Magma was primarily derived from the mantle.

• Contribution from subducted sediments was minimal.

This stage laid the foundation for the future magmatic evolution of the region.

2. Crustal Enrichment and Batholith Formation

As the tectonic plates converged, magmatic activity intensified, and the system evolved further:

• Large granite bodies, known as the Ladakh Batholith (LB), were formed.

• Magma now incorporated increased input from the continental crust and recycled sediments.

• Chemical signatures of these rocks indicate deep crustal processes and magma mixing.

This phase coincided with the approaching collision of the Indian and Eurasian plates, marking a critical stage in Himalayan orogeny.

3. Post-Collision Magmatism

Even after the plates collided and the Neo-Tethys Ocean closed, magmatic activity continued:

• Formation of mafic dykes, which are vertical sheets of volcanic rock.

• Magma derived from a previously enriched mantle source, indicating lingering tectonic and magmatic activity.

• This phase reflects the residual tectonic energy in the region, even after the main continental collision had occurred.

Significance of the Ladakh Magmatic Arc

The LMA is crucial for understanding the geodynamic evolution of the Himalaya. It provides evidence of:

• Plate tectonics and subduction processes in the ancient Neo-Tethys Ocean.

• The transition from island arc volcanism to continental crust formation.

• The continuing post-collisional magmatic activity, highlighting the long-lasting effects of plate collisions.

In recent weeks, protests have erupted in Leh and Kargil, demanding full statehood for Ladakh, Sixth Schedule status, a dedicated Public Services Commission (PSC), and two parliamentary seats. These demonstrations were jointly organized by the Leh Apex Body (LAB) and the Kargil Democratic Alliance (KDA). The central aim of the protests is to protect local land, cultural rights, and tribal identity, reflecting widespread concern over governance and development decisions being made without adequate local representation.

Rationale Behind the Demands

The demand for statehood and Sixth Schedule status stems from multiple intertwined factors. The first of these is the restoration of democratic representation. When Ladakh became a Union Territory without a legislature in 2019 under the Jammu and Kashmir Reorganisation Act, decision-making authority shifted from locally elected representatives to unelected bureaucrats. Previously, Ladakh had four MLAs in the Jammu & Kashmir Assembly, giving the people a direct voice in governance. While the Ladakh Autonomous Hill Development Councils (LAHDCs) exist, they do not possess the legislative powers of a state assembly, leaving the region dependent on central authorities. Local leaders argue that this has allowed “outsiders” to decide critical issues, sidelining the concerns of residents.

Another crucial factor is the safeguarding of tribal identity and resource sovereignty. Over 97% of Ladakh’s population belongs to tribal communities, making it a predominantly tribal region. The abrogation of Article 370 removed the special protections that historically safeguarded land ownership, employment, and cultural practices for Ladakhis. Without legislative powers akin to Autonomous District Councils, the region lacks the authority to regulate land use, protect traditional customs, or preserve its fragile cold desert ecosystem. This vulnerability leaves Ladakh exposed to unchecked industrial projects, tourism pressures, and environmental threats, including risks to glaciers and water resources critical for both local and downstream populations.

Economic autonomy forms another key pillar of the demands. Currently, the absence of a Public Service Commission prevents the establishment of a local mechanism for high-level government recruitment. With graduate unemployment at 26.5%, nearly double the national average, locals argue that statehood would allow the creation of domicile-based recruitment policies to prioritize employment for Ladakhis over non-residents.

Lastly, proponents of statehood argue that empowering locals is essential for strategic security. In light of the China-Pakistan strategic axis, national security is best maintained when the local population feels integrated and invested in governance. Granting Sixth Schedule status could enable the central government to manage military logistics while entrusting internal governance to the people of Ladakh, creating a partnership model for border management.

Understanding the Sixth Schedule

The Sixth Schedule under Article 244(2) of the Constitution establishes a framework for tribal areas in the northeastern states of Assam, Meghalaya, Tripura, and Mizoram. It is designed to protect the social, cultural, and customary practices of tribal populations. Under this framework, tribal areas are organized into Autonomous District Councils (ADCs), which hold significant legislative authority over matters such as land, forests, water, shifting cultivation, village administration, marriage, inheritance, and social customs. Additionally, these councils possess judicial powers to establish village courts for adjudicating tribal disputes, and administrative powers to manage local institutions, markets, roads, and taxation. Importantly, ordinary laws passed by the central or state legislatures may not automatically apply to these areas, preserving their autonomy.

Concerns Regarding Statehood and Sixth Schedule Status

Despite the strong local demand, several concerns have been raised about granting Ladakh full statehood or Sixth Schedule status. Strategic and security considerations are paramount, as Ladakh shares sensitive borders with China (LAC) and Pakistan (LoC). As a Union Territory, the region allows a clear and direct chain of command for military-civil coordination. Critics argue that statehood could introduce political friction that might complicate strategic decision-making during border tensions.

Constitutional and legal challenges also arise, as the Sixth Schedule was originally intended for tribal areas in the Northeast. Extending it to Ladakh would require a major constitutional amendment and could set a precedent, prompting similar demands from other tribal regions across India, such as Gorkhaland or Bodoland, potentially affecting federal stability.

From an administrative perspective, the establishment of a full state machinery, including a High Court, PSC, and extensive bureaucracy, may be economically and operationally inefficient, given Ladakh’s relatively small population of approximately three lakh. Additionally, Ladakh comprises two districts with divergent religious and political identities: Leh, which is predominantly Buddhist, and Kargil, which is predominantly Muslim. Full statehood could exacerbate identity politics, leading to governance challenges and deadlocks.

It is important to note that some recent measures already address local concerns. The Ladakh Reservation (Amendment) Regulation, 2025 has implemented 85% reservation for local residents in government jobs and established a 15-year residency criterion for domicile. The regulation also notified English, Hindi, Urdu, Bhoti, and Purgi as official languages and mandated a one-third rotating reservation for women in the LAHDC of Leh and Kargil.

Measures Needed to Address Governance Needs

Even without full statehood or Sixth Schedule status, Ladakh’s governance challenges can be addressed through several measures. Strengthening the LAHDCs by granting them expanded legislative, executive, and judicial powers over land, water, and culture would enhance grassroots democracy. If Sixth Schedule inclusion is not feasible, a customized constitutional framework, similar to Article 371, could protect demographic identity and empower elected bodies.

Environmental safeguards are also crucial. Special land regulations could limit ownership to local residents, while controlling tourism would protect the high-altitude ecosystem. Institutionalized consultation forums involving the LAB, KDA, and central agencies could facilitate dialogue and trust-building. Finally, phased implementation of governance reforms through pilot projects would ensure that solutions are responsive to the needs of both Leh and Kargil districts.

Conclusion

The Ladakh movement represents the intersection of democratic aspirations, tribal rights, environmental conservation, and national security. While demands for statehood and Sixth Schedule status seek to remedy a representation deficit and protect a fragile ecosystem, these must be balanced with strategic, constitutional, and administrative considerations. A consensus-driven, tailored constitutional framework, coupled with institutional strengthening and environmental safeguards, offers the most sustainable path forward for Ladakh.

A recent survey of the Hindon River has raised serious environmental concerns. Preliminary tests conducted at several locations along the river indicate zero dissolved oxygen (DO) levels. This situation renders the water uninhabitable for most aquatic life, highlighting the extreme level of pollution in the river.

About Hindon River

• Tributary: The Hindon is a tributary of the Yamuna River.

• Origin: It originates in the Saharanpur district of Uttar Pradesh, in the Siwalik Hills, at an elevation of about 800 meters (2,625 feet) above sea level.

• Course: The river flows across the industrial belt of Western Uttar Pradesh and Haryana before merging with the Yamuna near Noida.

• Length: The river stretches approximately 400 km.

• Tributaries: Its main tributaries are the Kali (West) River and Krishni River.

• Historical Significance: Archaeologists have found traces of the Harappan civilization on its banks, with sites dating back to 2500 BC.

Environmental Concerns

The Hindon River faces severe pollution due to urban, agricultural, and industrial waste being discharged without adequate treatment.

• The river is entirely rain-fed, with water levels increasing significantly during the monsoon season.

• In 2015, the Central Pollution Control Board (CPCB) declared parts of the Hindon as a “dead river”, stating that some stretches were unfit even for bathing.

• The recent finding of zero dissolved oxygen is a critical indicator that the river is now extremely hostile to aquatic life.

Implications

• Aquatic Life: Most species cannot survive in water with zero dissolved oxygen.

• Public Health: Polluted water poses risks to communities relying on the river for domestic or agricultural purposes.

• Restoration Needs: Urgent steps are required, including strict industrial regulation, effective sewage treatment, and active community participation.