06 June 2026

UPSC GS 1

Blue Micromoon

1. News:  A rare astronomical event known as a Blue Micromoon is set to appear in the night sky, combining the characteristics of both a blue moon and a micromoon.

2.  About Blue Micromoon:

a. A Blue Micromoon occurs when a blue moon coincides with a micromoon.

b. Such events are exceptionally rare and occur only about once every couple of decades.

3. What is a Micromoon?

a. A micromoon is a full moon or new moon that occurs when the Moon is near its farthest point from Earth in its orbit.

b. Because the Moon is farther away than usual, it appears slightly smaller in the sky than a typical full moon.

4.   Why Does a Micromoon Occur?

a. The Moon's orbit around Earth is elliptical rather than perfectly circular.

b. It takes approximately one month for the Moon to complete one orbit around Earth.

c. As a result, the Moon reaches both a nearest point and a farthest point from Earth during each orbit.

5.   Key Orbital Points:

a. Perigee: Perigee is the point at which the Moon is closest to Earth. At perigee, the Moon is approximately 363,711 km away from Earth.

b. Apogee: Apogee is the point at which the Moon is farthest from Earth. At apogee, the Moon is approximately 403,945 km away from Earth.

6.   Formation of a Full Micromoon:

a. When the Moon reaches its fully illuminated phase near the time of apogee, it appears smaller than a normal full moon.

b. This phenomenon is known as a Full Micromoon.

7.  Relationship with a Supermoon:

a. A supermoon occurs when a full moon takes place near or during perigee.

b. In contrast, a micromoon occurs when the full moon occurs near apogee.

c. Therefore, a micromoon can be considered the opposite of a supermoon.

8. Blue Moon Aspect:

a. A blue moon does not usually appear blue in colour.

b. The term generally refers to an additional full moon occurring within a specific calendrical period, making it an uncommon event.

9. Important Note: There is no universally accepted scientific definition specifying how close the Moon must be to apogee to be classified as a micromoon.

Banni Grassland

1. News:    NTPC’s proposed solar project in the Banni Grassland of Gujarat has raised concerns regarding its potential impact on one of Asia’s most fragile grassland ecosystems.

2. Location: The Banni Grassland is situated along the northern border of the Kachchh district in Gujarat.

3. Protected Areas: Kutch Desert Wildlife Sanctuary and Chhari Dhand Conservation Reserve form important parts of the Banni Grassland ecosystem.

4. Human Communities:

a. The grassland supports 22 ethnic communities.

b. A majority of the inhabitants are pastoral groups such as the Maldharis, Rabaris, Jats, Mutwas, and Meghwals.

5. Biodiversity:

a. Banni is one of India's most ecologically significant grassland landscapes and supports rich biological diversity.

b. The ecosystem contains 37 species of grasses and around 275 species of birds.

c. It also supports a large population of domesticated animals, including buffaloes, sheep, goats, horses, and camels, along with diverse wildlife species.

6. Flora: The vegetation of the grassland is dominated by species such as:

a. Prosopis juliflora.

b. Cressa critica.

c. Cyperus species.

d. Sporobolus.

e. Dichanthium.

f. Aristida.

7. Fauna: The grassland provides habitat for a wide range of mammals, including:

a. Nilgai.

b. Chinkara.

c. Blackbuck.

d. Wild Boar.

e. Golden Jackal.

f. Indian Hare.

g. Indian Wolf.

h. Caracal.

i. Asiatic Wildcat.

j. Desert Fox.

8. Ecological Significance:

a. Banni Grassland is among the largest natural tropical grassland ecosystems in India.

b. It plays a crucial role in supporting pastoral livelihoods, conserving biodiversity, and maintaining ecological balance in the arid landscape of Kachchh.  

UPSC GS 3

Lavender

1. News:    The CSIR Indian Institute of Integrative Medicine (IIIM) is set to organize the 4th Lavender Festival under the theme “Lavender Goes Global”.

2. About Lavender:

a. Lavender (Lavandula) is a genus comprising 47 known species of flowering plants belonging to the mint family, Lamiaceae.

b. It is a small, perennial, aromatic shrub widely valued for its fragrance and essential oils.

3.  Characteristics:

a. The flowers of lavender may be blue, violet, or lilac in wild species.

b. In some cases, the flowers may appear blackish-purple or yellowish.

c. The crop is naturally adapted to temperate regions and exhibits strong drought tolerance.

d. A single lavender plant can continue producing flowers for up to 15 years.

e. It requires relatively low maintenance and can be harvested from the second year after planting.

4.  Introduction in India:

a. Lavender is native to Europe.

b. It was introduced into the temperate regions of Jammu and Kashmir through the CSIR Aroma Mission.

5.   Propagation Methods: Lavender can be propagated through:

a. Seeds.

b. Rooted cuttings.

c. Tissue culture.

d. Layering.

6.  Applications: Lavender has diverse applications in:

a. Food and flavouring industries.

b. Pharmaceutical and therapeutic products.

c. Cosmetic and personal care products.

d. Industrial uses, particularly in essential oil production.

7. Climate:

a. Lavender is a hardy temperate plant capable of tolerating both drought and frost conditions.

b. The most suitable climate consists of cool winters and cool summers.

c. The crop requires abundant sunlight for healthy growth and flowering.

8. Soil:

a. It grows best in light, well-aerated soils rich in organic matter.

b. Neutral to alkaline, well-drained soils are considered ideal.

c. The crop is highly sensitive to waterlogging.

d. It can also perform reasonably well in poor or eroded soils.

9. Rainfall: Lavender can be successfully cultivated in regions receiving annual rainfall ranging from 300 mm to 1,400 mm. 

Samadhan Didi

1. News:   Union Minister Dr. Jitendra Singh recently launched the AI-enabled voice chatbot “Samadhan Didi” at Kartavya Bhawan, New Delhi.

2.  About AI-enabled Voice Chatbot ‘Samadhan Didi’:

a. Samadhan Didi is an Artificial Intelligence-enabled voice chatbot designed to make public grievance redressal more simple, accessible, and multilingual.

b. It enables citizens to interact with the grievance redressal system using voice commands in their preferred language.

3. Developed By:

a. The chatbot has been developed by the Department of Administrative Reforms and Public Grievances (DARPG).

b. It has been developed in collaboration with Bhashini.

4. Platform Integration:

a. Samadhan Didi is fully integrated with the Centralised Public Grievance Redress and Monitoring System.

b. This integration enables seamless registration and routing of public grievances.

5. Key Features of Samadhan Didi:

a. Voice-Based Grievance Filing: Citizens can register grievances simply by speaking in their own language and explaining their concerns in plain and natural language.

b. Automatic Grievance Classification: The chatbot analyzes the grievance, asks relevant follow-up questions, and identifies the appropriate Ministry, Department, category, and sub-category. It then forwards the grievance to the correct authority for action.

c. Multilingual Accessibility: The system supports all 22 languages listed in the Eighth Schedule of the Constitution. Additional languages such as Bhojpuri, Garo, Khasi, Mizo, and Bodhi are being incorporated in a phased manner.

d. AI and Language Integration: The chatbot combines the language-processing capabilities of Bhashini with grievance-classification models trained using CPGRAMS data. This enables smooth and accurate grievance handling across multiple Indian languages.

6. Significance:

a. Samadhan Didi promotes inclusive and citizen-centric governance by reducing language barriers in grievance redressal.

b. It enhances accessibility for people who may face difficulties with written or digital submissions.

c. The initiative is expected to improve the efficiency, reach, and responsiveness of the public grievance redressal system. 

Yellow-Throated Marten

1. News:    A Yellow-Throated Marten was photographed for the first time in Kaziranga National Park and Tiger Reserve during a routine camera-trapping exercise.

2. Definition:

a. The Yellow-Throated Marten (Scientific Name: Martes flavigula) is a marten species distributed across forested regions of Southern and Eastern Asia.

b. It is also popularly known as the “Kharza”.

3. Habitat: The species occupies a wide range of habitats, including:

a. Coniferous forests.

b. Broad-leaved forests.

c. Mountain forests.

d. Tropical forests.

e. Shrublands.

f. Lowland swamps.

g. Treeless mountainous regions.

4.   Distribution:

a. The Yellow-Throated Marten occurs throughout the Himalayan region and extends from Indonesia in the south to the Korean Peninsula and the China–Russia border in the north.

b. In India, its distribution is primarily concentrated in the Himalayas and the northeastern states.

5.   Characteristics:

a. It is the largest among the Old World marten species.

b. The animal is recognized by its golden-yellow throat, long tail, and scent glands that are used for defence.

c. The head is black or dark brown in colour.

d. The chest and throat display a distinctive bright yellow or golden coloration.

e. It is a fearless, highly social, diurnal, and arboreal mammal.

f. The species often hunts in pairs or small groups.

6.   Ecological Role:

a. The Yellow-Throated Marten acts as a mesopredator within forest ecosystems.

b. It helps regulate rodent populations and contributes to seed dispersal, thereby supporting ecosystem health.

7.   Conservation Status:

a. IUCN Red List: Yellow-throated Marten is classified as Least Concern (LC).

b. Wildlife Protection Status in India: It is protected under Schedule II of the Wildlife (Protection) Act, 1972. 

Kill Switch

1. News:    The Reserve Bank of India in its annual report, has indicated that it is exploring the possibility of introducing a “Kill Switch” mechanism to strengthen protection against digital payment fraud.

2. About Kill Switch:

a. A Kill Switch is a security mechanism that enables a system, device, account, or service to be immediately shut down, disabled, or blocked during emergencies or under specified conditions.

b. In the banking context, it is intended to help customers instantly halt financial transactions when they suspect a digital fraud or scam.

3.  Objective:

a. The mechanism aims to provide users with a rapid response tool to prevent unauthorized fund transfers.

b. It seeks to enhance security across digital payment systems and reduce losses arising from cyber fraud.

4. Key Features:

a. Emergency Transaction Control: The Kill Switch is expected to function as an emergency control mechanism capable of immediately freezing or blocking banking transactions.

b. Fraud Prevention: It would enable customers to stop ongoing or potential fraudulent transactions before funds are transferred.

c. Customer-Centric Security: The mechanism is designed to place greater control in the hands of account holders during suspected fraud incidents.

5.  How Does It Work?:

a. Fraud Detection by User: If a customer suspects that a request for fund transfer is fraudulent or unauthorized, the Kill Switch can be activated.

b. Activation Through Banking App: The feature is expected to be accessible through the bank's mobile application or other designated digital channels.

c. Immediate Suspension of Transactions: Once activated, the Kill Switch could temporarily block all outgoing financial transactions from the affected account.

d. Prevention of Financial Loss: The temporary freeze would help prevent further movement of funds until the situation is verified and resolved.