rchives


(PRELIMS  Focus)


Satellite Internet

Category: SCIENCE AND TECHNOLOGY

Context:  Starlink Internet in India

Need for Satellite Internet:

Features:

Types of Orbits:

  1. LEO (200–2,000 km altitude): Low latency, flexible coverage, smaller satellites.
  2. MEO (2,000–35,786 km): Balanced latency and coverage.
  3. GEO (35,786 km): Large satellites, fixed relative to Earth, higher latency but wider coverage.

Advantages:

Challenges:

Applications:

Learning Corner:

Major Differences Between Satellite Internet and Traditional Internet

Aspect Satellite Internet Traditional Internet
Infrastructure Uses satellites orbiting the Earth to transmit data Uses terrestrial cables (fiber, DSL, coaxial) and cellular towers
Coverage Provides internet access virtually anywhere, including remote and rural areas Limited to areas with wired or cellular infrastructure; urban-centric
Latency Higher latency (delay) due to long distance signals travel to/from satellites Generally lower latency due to shorter signal paths
Speed Typically slower speeds, though improving with new satellite tech (e.g., LEO satellites) Usually faster and more stable speeds, especially fiber-optic connections
Reliability Affected by weather conditions (rain, storms) and line-of-sight issues Generally more stable and reliable under normal conditions
Installation Requires a satellite dish and modem; easier for remote areas without cables Requires physical cable connections or cell towers; may need complex installation
Cost Usually higher monthly costs and equipment fees Often lower costs, especially where infrastructure is mature
Use Case Ideal for remote, rural, maritime, or emergency use where terrestrial internet is unavailable Preferred for urban, suburban areas with established infrastructure

Source: THE HINDU


Sleeping sickness

Category: SCIENCE AND TECHNOLOGY

Context : The World Health Organization (WHO) has officially declared Kenya free of human African trypanosomiasis (HAT), or sleeping sickness

WHO Declares Kenya Free of Sleeping Sickness

Making it the tenth country to achieve this milestone. The last indigenous case was detected in 2009, and the last imported case in 2012 in the Masai Mara region.

About the Disease:
HAT is a parasitic disease transmitted by the tsetse fly. Kenya was affected by the rhodesiense form, which progresses rapidly and can be fatal within weeks if untreated.

Factors Behind Elimination:
Kenya’s success is the result of decades of sustained public health measures including tsetse fly control, better diagnostics, community awareness, and strong collaborations between local authorities, WHO, and international partners.

Significance:
This is Kenya’s second eliminated neglected tropical disease after Guinea worm disease in 2018. The achievement protects vulnerable communities, supports economic growth, and contributes to Africa’s goal of eradicating neglected tropical diseases.

Ongoing Measures:
Kenya will maintain strong surveillance and community engagement to prevent resurgence, supported by WHO and partner organizations through post-validation monitoring and rapid response systems.

Former Hotspots:
Historic high-risk areas included counties around Lake Victoria such as Busia, Bungoma, Siaya, Migori, Homa Bay, Kisumu, and Kwale, where sustained control and monitoring proved crucial.

Learning Corner:

Sleeping Sickness

Sleeping sickness, medically known as Human African Trypanosomiasis (HAT), is a parasitic disease caused by protozoan parasites of the genus Trypanosoma. It is transmitted to humans through the bite of an infected tsetse fly found in sub-Saharan Africa.

Key Points:

Sleeping sickness remains a neglected tropical disease but control efforts have significantly reduced its incidence.

Source:  AIR


Kakori Heroes

Category: HISTORY

Context: PM Modi Pays Tribute to Kakori Heroes on 100th Anniversary

On August 9, 2025, Prime Minister Narendra Modi paid tribute to the heroes of the Kakori Train Action, marking its 100th anniversary. The Kakori Train Action was a daring train robbery near Lucknow in 1925, led by revolutionaries like Ram Prasad Bismil, Chandra Shekhar Azad, and Ashfaqullah Khan to protest British colonial rule and reclaim funds for the independence movement.

The incident led to the arrest and execution of several revolutionaries and remains a pivotal moment in India’s struggle for freedom. Modi reaffirmed the government’s commitment to uphold their legacy and work towards a strong and prosperous India.

Learning Corner:

Conspiracy Case Year Prominent Leaders Involved Objectives
Alipore Bomb Case 1908 Aurobindo Ghosh, Barindra Kumar Ghosh To assassinate British officials and incite armed rebellion against colonial rule
Kakori Conspiracy Case 1925 Ram Prasad Bismil, Ashfaqullah Khan, Roshan Singh To loot government treasury from a train to fund revolutionary activities
Meerut Conspiracy Case 1929 Shaukat Usmani, S.A. Dange, S.V. Ghate To organize a communist-led uprising and overthrow British government through strikes and mutiny
Lahore Conspiracy Case 1930 Bhagat Singh, Rajguru, Sukhdev To avenge the death of Lala Lajpat Rai and to inspire mass revolution against British rule
Peshawar Conspiracy Case 1922 Ghadar Party leaders (e.g., Kartar Singh Sarabha) To incite mutiny among Indian soldiers and spark a pan-Indian revolt against British rule

Source: AIR


Cabinet Approves Four New Semiconductor Plants in India

Category: POLITY

Context: Union Cabinet approved four new semiconductor manufacturing projects under the India Semiconductor Mission, marking a significant boost to India’s chip production and electronics ecosystem…

Key Details:

Projects:

Learning Corner:

Semiconductor Mission (ISM)

The India Semiconductor Mission (ISM) is a strategic government initiative launched in 2021 aimed at transforming India into a global semiconductor manufacturing and design hub. Recognizing semiconductors as critical components for a wide array of technologies—from smartphones and automobiles to defense and renewable energy—the ISM focuses on building a robust domestic ecosystem to reduce dependency on imports and enhance self-reliance.

Objectives of ISM

Key Features and Support

Progress and Impact

Strategic Importance

Source: THE HINDU


Tato-II

Category: ENERGY

Context Cabinet Approves 700 MW Tato-II Hydro Electric Project in Arunachal Pradesh

Project Highlights:

Benefits and Impact:

Learning Corner:

Recent Hydroelectric Projects in India 

India has been actively expanding its hydroelectric capacity as part of its clean energy and regional development goals. Several major hydroelectric projects have been approved or are under construction since 2023, contributing to energy security, regional growth, and sustainable development.

Key Recent Hydroelectric Projects:

  1. Tato-II Hydro Electric Project, Arunachal Pradesh
    • Capacity: 700 MW
    • Approved in 2025 with an investment of ₹8,146 crore
    • Focus on infrastructure development and local benefits including free power and employment
    • Expected completion: Within 6 years
  2. Subansiri Lower Hydro Electric Project, Arunachal Pradesh
    • Capacity: 2,000 MW
    • Under construction with phased commissioning ongoing
    • Will be India’s largest hydropower project upon completion
    • Key for grid stability and flood control in the Brahmaputra basin
  3. Dibang Multipurpose Project, Arunachal Pradesh
    • Capacity: 2,880 MW
    • Construction progressing with focus on power generation, irrigation, and flood control
    • Strategic for Northeast’s energy needs and flood management
  4. Teesta Stage IV Hydro Electric Project, Sikkim
    • Capacity: 520 MW
    • Recently commissioned in parts since 2023
    • Enhances power supply in the Northeastern region and promotes local development
  5. Nathpa Jhakri Extension, Himachal Pradesh
    • Capacity: 800 MW
    • Under construction to augment existing Nathpa Jhakri capacity
    • Aims to improve power generation efficiency in the Sutlej basin
  6. Bhakra Beas Management Board (BBMB) Projects, Himachal Pradesh and Punjab
    • Several modernization and capacity enhancement projects ongoing since 2023
    • Focus on optimizing water resource utilization and electricity generation

Major Hydroelectric Projects:

  1. Bhakra Nangal Project (Himachal Pradesh/Punjab): One of the earliest and largest multipurpose projects with a capacity of about 1,325 MW, it provides irrigation, power, and flood control.
  2. Tehri Dam (Uttarakhand): With a capacity of 1,000 MW, it is among the tallest dams in India and serves hydroelectric, irrigation, and water supply needs.
  3. Sardar Sarovar Project (Narmada River, Gujarat/Madhya Pradesh): Known for irrigation and power generation (around 1,450 MW capacity), it supports water supply in drought-prone areas.
  4. Koyna Hydroelectric Project (Maharashtra): A major power station with over 1,960 MW capacity, critical for Maharashtra’s electricity needs.
  5. Nathpa Jhakri Project (Himachal Pradesh): India’s largest underground hydroelectric project with 1,500 MW capacity, utilizing the Satluj river.
  6. Tawang Hydro Project (Arunachal Pradesh): Part of India’s Northeast hydropower development, aiming to harness abundant water resources.
  7. Teesta Hydro Projects (Sikkim & West Bengal): Several projects on the Teesta river contributing significant power to the grid.
  8. Dhauliganga Hydroelectric Project (Uttarakhand): Medium-sized project supporting local power requirements.
  9. Tato-II Hydro Electric Project (Arunachal Pradesh): Newly approved 700 MW project aiming at boosting energy supply and regional development.

Importance:

Challenges:

Overall, hydroelectric projects remain a cornerstone of India’s renewable energy strategy and sustainable development goals.

Source: PIB


(MAINS Focus)


Israel–Palestine Conflict (GS-2 – International Relations, India and its Neighborhood, Effect of Policies of Developed & Developing Countries.)

Introduction (Context)

The Israel–Palestine conflict has entered a new phase as PM Netanyahu rejects the two-state solution, even as parts of the Global North shift towards recognising Palestinian statehood 

Historical and Diplomatic Context

Factors Driving Global North’s Shift

Netanyahu’s Ideological Regime

International Relations Linkages

Conclusion

The shift in the Global North’s recognition stance marks a potential diplomatic inflection point in the century-old Israel–Palestine conflict. For sustainable peace, both realist security concerns and constructivist identity claims must be addressed through inclusive multilateral diplomacy. As Kofi Annan said, “You can do nothing without peace. But without justice, peace will not last.”

Q) “The recent ideological shift in Israel’s policy towards a no-state solution, coupled with changing global attitudes on Palestinian statehood, reflects a transformation in the normative structure of international diplomacy.” Critically analyse this statement in the context of the Israel–Palestine conflict. (250 words)


National Sports Governance Bill, 2025 (GS Paper 2 Transparency & accountability and institutional measures)

Introduction (Context)

The National Sports Governance Bill, 2025 marks a decisive move from ad-hoc executive guidelines to a rule-of-law-based, athlete-centric governance structure. It aims to align Indian sports administration with the Olympic Charter, institutional accountability, and the country’s larger soft-power ambitions, including its bid to host the 2036 Olympics.

Why was the Bill needed? 

Salient features 

How it addresses the gaps 

Critiques & risks

Conclusion

The Bill represents a paradigm shift from personality-driven fiefdoms to a rules-based, athlete-first ecosystem. However, to truly realise its transformative potential, issues like centralisation, transparency gaps, and institutional independence must be addressed. 

Q.”In light of the National Sports Governance Bill, 2025, critically analyse whether India’s sports governance is moving towards a transparent, athlete-centric, and globally competitive framework. How far does the Bill address the structural flaws in the current system, and what challenges remain for its effective implementation?” (15 marks, 250 words)

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