29 May 2026

UPSC GS 1

Pyrite

1. News:   Geologists have discovered a rare microscopic sunflower-shaped form of Pyrite, commonly known as “fool’s gold,” within the lignite coal reserves of Gujarat.

2.  About Pyrite:

a. Pyrite is a naturally occurring iron disulfide mineral.

b. It has the chemical formula FeS₂ and is the most abundant sulfide mineral found on Earth.

c. The mineral is characterized by its brass-yellow colour and bright metallic lustre.

d. Its name is derived from the Greek word “pyr,” meaning fire, because pyrite produces sparks when struck against metal.

e. Pyrite is popularly known as “fool’s gold” because its appearance closely resembles that of gold.

f. Pyrite nodules have been discovered in prehistoric burial mounds, indicating that they may have been used for fire-making purposes.

3. Geological Distribution: Pyrite occurs in a wide range of geological environments including igneous, sedimentary, and metamorphic rocks, hydrothermal mineral deposits, coal beds, and fossil replacement deposits.

4. Mode of Occurrence: It may occur as scattered grains throughout igneous rocks or become concentrated in distinct layers depending on the depositional environment and geological processes involved.

5. Formation in Sedimentary Rocks:

a. Pyrite commonly forms in oxygen-deficient sedimentary environments where iron and sulfur are present.

b. Such environments are often rich in organic matter, including coal beds and black shales, where decomposing organic material consumes oxygen and releases sulfur.

6. Fossil Replacement: Pyrite frequently replaces plant remains and shells, forming pyrite fossils or flattened disc-like structures known as pyrite dollars.

7. Gossan Formation:

a. In calcite and quartz veins, pyrite may oxidize into iron oxides or hydroxides such as limonite.

b. These oxidized surface zones, known as gossans, appear as rusty-coloured areas and often indicate the presence of pyrite-bearing rocks beneath the surface.

8. Major Producing Countries:

a. Spain was the world's leading producer of pyrite for many years.

b. At present, Italy and China are among the largest producers, followed by Russia and Peru.

9. Uses of Pyrite:

a. Industrial Applications: Pyrite serves as an important source of iron and sulfur and is widely used in the manufacture of sulfuric acid.

b. Chemical Industry: It is used in the production of iron sulfate, which is employed in nutritional supplements, inks, lawn conditioners, water treatment processes, flocculation, moss control, and various industrial chemical applications.

c. Medical Applications: Iron sulfate derived from pyrite is used in the treatment of iron-deficiency anaemia.

d. Gold Recovery: Certain varieties of pyrite contain microscopic quantities of gold in concentrations high enough to justify their extraction as gold ores.

UPSC GS 2

PM-AJAY Portal and AJAY Mobile App

1. News:The Ministry of Social Justice and Empowerment recently launched the PM-AJAY Portal and AJAY Mobile App to fully digitise grassroots-level operations under the Pradhan Mantri Anusuchit Jaati Abhyuday Yojana (PM-AJAY).

2.  About PM-AJAY:

a. Pradhan Mantri Anusuchit Jaati Abhyuday Yojana (PM-AJAY) is a Centrally Sponsored Scheme implemented by the Ministry of Social Justice and Empowerment.

b. The scheme aims to improve the socio-economic conditions of Scheduled Caste (SC) communities across the country.

3. Objectives of PM-AJAY:

a. The scheme seeks to reduce poverty through employment generation and skill development initiatives.

b. It also aims to improve socio-economic indicators in villages with a significant Scheduled Caste population.

4. PM-AJAY Dashboard:

a. The PM-AJAY dashboard captures and tracks socio-economic development progress in more than 47,000 SC-majority villages.

b. It covers over 4 million beneficiaries across different components of the scheme.

c. The dashboard provides monitoring facilities at the national, state, and district levels.

5. Three Components Covered by the Portal: The portal serves as a central digital database and coordination platform for all three components of PM-AJAY, namely Adarsh Gram, Grant-in-Aid for Skilling and Employment, and Hostels in Educational Institutions.

6. Adarsh Gram Component:

a. Under this component, traditional paper-based village planning will be replaced by digital planning through Village Development Plans.

b. Progress will be monitored using 50 socio-economic indicators spread across 10 development domains.

7. Grant-in-Aid for Skilling and Employment Component:

a. The portal will function as a centralized Management Information System (MIS).

b. It will monitor financial allocations, livelihood assistance, beneficiary registration, skill development activities, and employment outcomes.

8. Hostel Component:

a. The portal and mobile application will facilitate proposal submission, project monitoring, and inspections.

b. They will also enable the uploading of geo-tagged and time-stamped photographs to verify construction and repair milestones.

9. About AJAY Mobile App: The AJAY Mobile App has been developed as a unified digital platform that extends the services and functionalities of the existing PMAGY and PM-AJAY portals to mobile users through a user-friendly interface.

10. Features of the AJAY Mobile App:

a. It provides mobile-based access to scheme information and beneficiary-centric services.

b. It strengthens field-level monitoring and enables real-time reporting.

c. The application promotes greater transparency, accountability, and digital governance in scheme implementation.

SARTHAK-PDS Scheme

1. News:    The Cabinet Committee on Economic Affairs has approved the continuation of the SARTHAK-PDS Scheme as an umbrella scheme during the 16th Finance Commission award period with a Central outlay of ₹25,530 crore.

2.  About SARTHAK-PDS Scheme:

a. SARTHAK-PDS stands for “Scheme for Assistance in Ration Transport and Handling-Income with Automation in Public Distribution System.”

b. It is an umbrella scheme approved by the Union Cabinet for the modernization and digitization of India’s Public Distribution System (PDS).

3.  Aim of the Scheme:

a. The scheme seeks to provide assured financial support for intra-state movement of foodgrains, handling operations, and Fair Price Shop (FPS) dealers’ margins.

b. It also aims to establish a unified, citizen-centric, intelligent, and interoperable PDS architecture that strengthens last-mile delivery, minimizes leakages, and reinforces food security under the National Food Security Act (NFSA).

4.  Objectives of the Scheme:

a. Modernization of PDS Operations: The scheme aims to modernize and integrate Public Distribution System operations across the country.

b. Technology-Driven Governance: It seeks to optimize PDS functioning through technologies such as Artificial Intelligence (AI), Machine Learning (ML), Natural Language Processing (NLP), and Blockchain.

c. Unified Digital Architecture: The scheme proposes standardized digital architectures and unified databases for real-time monitoring and management.

d. Intelligent Service Delivery: It aims to establish AI-driven grievance redressal mechanisms and advanced analytics systems for improved efficiency and transparency.

5.  Funding and Timeline:

a. The Central Government will provide ₹25,530 crore over the next five years as its share for implementation of the scheme.

b. The scheme will continue throughout the 16th Finance Commission cycle and remain operational until 31 March 2031.

6.   Integration of Existing Schemes: 

a. Assistance to State Agencies for Intra-State Movement of Foodgrains and FPS Dealers’ Margin under NFSA: This component supports States and Union Territories in meeting expenses related to intra-state transportation of foodgrains and margins payable to FPS dealers.

b. Scheme for Modernization and Reforms through Technology in Public Distribution System (SMART PDS): This component focuses on technology-driven reforms and modernization of the Public Distribution System.

7. Combined Objective: The integration of these two schemes is intended to strengthen implementation of the National Food Security Act and improve efficiency in foodgrain distribution.

8. Revised Norms under the Scheme: 

a. The scheme introduces revised norms for Central assistance to States and Union Territories for expenditure incurred on intra-state movement and handling of foodgrains as well as FPS dealers’ margins.

b. It also continues the existing pattern of Central financial assistance.

9.  Earlier Initiatives in PDS Governance:

a. End-to-End Computerization of TPDS: This initiative digitized key stages of the Targeted Public Distribution System.

b. Integrated Management of PDS (IM-PDS): It enabled greater interoperability and integration of PDS operations across states.

c. SMART PDS: It introduced technology-based reforms to improve transparency and efficiency in ration distribution.

d. Citizen-Centric Digital Platforms: The Government has also launched applications and dashboards such as Mera Ration, Anna Mitra, Rightful Targeting Dashboard, and Anna Sahayata to improve service delivery and citizen access. 

UPSC GS 3

Microeledone Galapagensis

1. News:     Scientists from the Charles Darwin Foundation have discovered a tiny blue octopus species named Microeledone galapagensis.

2. About Microeledone Galapagensis:

a. Microeledone galapagensis is a newly identified tiny blue octopus species discovered near the Galápagos Islands.

b. The species was first observed during a deep-sea expedition conducted in 2015.

3. Appearance:

a. The octopus is approximately the size of a golf ball.

b. It is distinguished by its unusual blue coloration.

4. Habitat: The species inhabits deep-sea environments.

5. Characteristics:

a. It possesses smooth skin, large rachidian teeth, and a prominent funnel organ.

b. It has relatively few suckers on its arms compared to related species.

c. Distinctive features include its smooth body surface, unique beak structure, and characteristic coloration around its internal organs and parts of the mantle.

Information Agents

1. News:  At its annual developer conference, Google unveiled a new feature called Information Agents, which will be integrated into Search to monitor and gather information from the web on behalf of users.

2. About Information Agents:

a. An information agent is a computational software entity, also known as an intelligent agent, that can access one or more distributed and heterogeneous information sources.

b. It proactively acquires, mediates, manages, and maintains relevant information on behalf of users.

3. Purpose of Information Agents:

a. Information agents are designed to address the problem of information overload faced by users.

b. They help users obtain relevant information without requiring them to manually search through large volumes of data.

4. Core Functions of Information Agents:

a. Proactive Resource Discovery: They can independently search for and identify relevant information sources without requiring continuous user intervention.

b. Information Mediation: They help bridge the gap between information providers and information consumers by resolving differences in data formats, structures, and accessibility.

c. Value-Added Services: They can provide processed, filtered, and customized information services or products to users and other intelligent agents.

d. Information Sources Used: Information agents can obtain data from a wide range of sources, including traditional databases, online repositories, websites, digital libraries, and other information agents.

5. Example of an Information Agent:

a. Consider a user who learns about a researcher associated with the concept of agent-oriented programming and wants more information.

b. The information agent can independently search multiple repositories and information sources.

c. After completing its search, it may provide the user with a relevant technical report along with the researcher’s name and contact details.

6. Significance:

a. Information agents represent a shift from traditional search systems toward proactive information retrieval.

b. Instead of merely responding to user queries, they can continuously monitor information sources, identify relevant updates, and deliver useful information automatically.