1. Battle of Karnal

1.Battle of Karnal: On February 24, 1739, the Battle of Karnal occurred near Karnal (Haryana), approximately 110 km north of Delhi, where Persian emperor Nadir Shah decisively defeated Mughal emperor Muhammad Shah's forces, leading to the eventual decline of Mughal power in India.

• About the Belligerents: The Persian Empire led by Emperor Nadir Shah & Mughal Empire led by Emperor Muhammad Shah.
• Decisive Persian Victory: The battle lasted around three hours, resulting in a significant defeat for the Mughal forces.
• Aftermath: Nadir Shah captured Delhi, leading to extensive plundering, including the acquisition of the Peacock Throne and the Koh-i-Noor diamond.
• Decline of Mughal Power: The defeat at Karnal marked a turning point, accelerating the decline of the Mughal Empire in India.
• Territorial Changes: Mughal territories west of the Indus River were ceded to the Persian Empire.

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2. Three-Language Formula (TLF)

2.Three-Language Formula (TLF): The Kothari Commission (1964-66) was introduced the Three-Language Formula (TLF) to promote multilingualism and national integration in India's educational system.

• About the objectives of TLF: To promote multilingualism and national integration by ensuring students learn multiple languages.
• About Kothari Commission (1964-66)

oChairman: Daulat Singh Kothari

oFormed in: 1964, Report submitted: 29 June 1966

oExcluded: Medical & legal studies

• Major Recommendations:

oFor Hindi-Speaking States: Study of Hindi as the first language → Inclusion of English as the second language → A modern Indian language (preferably from South India) as the third language.

oFor Non-Hindi-Speaking States: Study of the regional language as the first language → Inclusion of Hindi as the second language → English as the third language.

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3. Makhana Board

3.Makhana Board: In the Union Budget 2025-26, Finance Minister has announced the establishment of a Makhana Board in Bihar to enhance the production, processing, and value addition of makhana, ensuring that farmers benefit from relevant government schemes.

• About Makhana Board:

oObjective: To improve processing and value addition of makhana in Bihar, providing support and training to farmers.

oFunctions: Provide handholding and trade-related technologies to farmers, and ensure farmers receive benefits from relevant government schemes.

• About Makhana:

oScientific Name: Euryale ferox

oCommon Names: Fox nuts, lotus seeds

oPrimary Cultivation Area: Bihar, India, producing 90% of the world's makhana.

oNutrient Features: Rich in minerals like potassium, magnesium, and phosphorus.

• Mithila Makhana: Received the GI tag in April 2022, recognizing its unique origin and quality associated with the Mithila region in Bihar.

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4. Tea Horse Road

4.Tea Horse Road: China’s Ambassador to India recently highlighted about the historic Tea Horse Road which spanned more than 2,000 km, and connected China to India via Tibet.

• About Historical Significance of Tea Horse Road: The Tea Horse Road, though less renowned than the Silk Road, was crucial in promoting trade and interaction between China and India via Tibet.
• Trade and Cultural Exchange: This route enabled the exchange of commodities such as tea from China and horses from India, fostering economic ties and cultural interactions between the regions.

Geographical Route: The path traversed through the rugged terrains of Yunnan and

• Sichuan provinces in China, extended into Tibet, and further connected to parts of India, facilitating a complex network of trade routes.
• Legacy: Remnants of the ancient stone paths and historical records highlight the enduring legacy of the Tea Horse Road in enhancing Sino-Indian relations through trade and cultural exchange.

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5. Black Plastic

5.Black Plastic: Recent studies have raised concerns about the environmental and health impacts of black plastic, commonly used in food packaging and consumer products.

• About Black Plastic: It is a type of plastic coloured using carbon black pigments, making it non-recyclable through conventional methods.
• Common Uses: Frequently utilized in food trays, electronic goods casings, and various consumer products due to its aesthetic appeal and ability to mask imperfections.
• Key Findings:

oRecycling Challenges: Standard recycling facilities cannot detect black plastic with optical sorting systems, leading to its diversion to landfills or incineration.

oThe presence of additives and contaminants in black plastic further complicates recycling efforts.

oEnvironmental Impact: Accumulation in landfills contributes to soil and water pollution, and incineration releases toxic pollutants, adversely affecting air quality.

oHealth Concerns: Studies have detected hazardous substances, including heavy metals and brominated flame retardants, in some black plastic products, and potential leaching of these substances into food raises safety concerns.

• Recommendations:

oConsumer Awareness: Encourage consumers to reduce the use of black plastic products and opt for alternatives that are more environmentally friendly.

oIndustry Initiatives: Manufacturers are urged to explore sustainable materials and redesign products to facilitate easier recycling.

oPolicy Measures: Implementation of stricter regulations on the use of black plastic and promotion of research into effective recycling technologies.

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6. Quantum Computing

6.Quantum Computing: Microsoft has recently announced a significant advancement in quantum computing with the development of its new chip, Majorana 1, which aims to accelerate the realization of practical quantum computers.

• About Quantum Computing: It utilizes principles of quantum mechanics to process information, offering potential to solve complex problems more efficiently than classical computers.

oQubits: The fundamental units of quantum information, qubits, can exist in multiple states simultaneously, enabling parallel computations.

• About Microsoft's Majorana 1 Chip: It is designed to produce more reliable and scalable qubits than its predecessors, potentially bringing practical quantum computing closer to reality.

oTopological Qubits: The chip aims to utilize topological qubits, which are theorized to be more stable and less prone to decoherence, thereby reducing error rates in quantum computations.

oMaterial Composition: Majorana 1 is an indium arsenide-aluminum hybrid device, showing potential signs of hosting Majorana zero modes, which are essential for topological qubits.

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7. Pagri Sambhal Jatta movement

7.Pagri Sambhal Jatta movement: In 1907, Ajit Singh, uncle of Bhagat Singh, initiated the Pagri Sambhal Jatta movement to protest against three agricultural laws imposed by the British.

• About Pagri Sambhal Jatta Movement: Stands as a testament to the resilience and unity of farmers in colonial India, highlighting the pivotal role of agrarian protests in the broader freedom struggle.
• Year of Initiation: 1907.
• Primary Cause: Protest against three agricultural laws introduced by the British government, which were perceived as exploitative by the farming community.
• Slogan Origin: The phrase "Pagri Sambhal Jatta" was popularized by a song penned by Banke Dayal, the editor of the newspaper Jhang Sayal.
• Outcome: The movement successfully compelled the British authorities to repeal the contentious farm laws, marking a significant victory for the agrarian community.

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8. Panchayat Devolution Index (PDI) 2024

8.Panchayat Devolution Index (PDI) 2024: Recently, the PDI 2024 has been released, evaluating the extent of power and resources devolved to Panchayati Raj Institutions (PRIs) across Indian states.

• About Panchayat Devolution Index 2024:

oTop Performing States: Karnataka, Kerala, and Tamil Nadu have secured the highest rankings in the PDI 2024, reflecting robust decentralization and empowerment of local governance structures.

oSignificant Improvers: Uttar Pradesh and Bihar have shown remarkable progress, recording the most substantial improvements in their PDI rankings compared to previous assessments.

• Evaluation Criteria: The PDI assesses states based on:

oEmpowerment of Panchayats: Legal and administrative powers granted to PRIs.

oFinancial Autonomy: Extent of fiscal resources and independence allocated to local bodies.

oCapacity Building: Initiatives for training and enhancing the capabilities of panchayat members and institutions.

• National Overview: As of 2024, India comprises approximately 2.62 lakh panchayats, an increase from 2.48 lakh in 2013-14, indicating a growth in grassroots governance units.
• About Panchayati Raj Institutions (PRIs) in India: The Balwantrai Mehta Committee (1957) recommended a three-tier Panchayati Raj system to promote democratic decentralization.

oThe 73rd Constitutional Amendment Act (1992) institutionalized PRIs, mandating regular elections and reserving one-third of seats for women.

oStructure: Gram Panchayat (Village Level), Panchayat Samiti (Block level) & Zila Parishad (District Level)

• Ministry of Panchayati Raj: Established in May 2004 to oversee matters related to PRIs.

National Panchayati Raj Day: Celebrated annually on April 24th, marking the enactment of the 73rd Amendment Act in 1993.

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