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Daily Current Affairs – 11 November, 2025

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    River Bank Erosion

    Context

  • The Brahmaputra, Teesta, and Dharla rivers have become unpredictable, eroding land faster than ever before.

    • About Riverbank Erosion

  • Riverbank erosion is the wearing away of the banks of a river due to the continuous action of flowing water. 
  • It is a natural geomorphological process but can be accelerated by human activities or environmental changes.
  • When water flows along a river channel, it exerts shear stress on the riverbanks. 
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    India and Vietnam: Strengthening Defence Ties

    Context

  • Recently, India and Vietnam convened the 15th Defence Policy Dialogue in Hanoi, reaffirming their commitment to deepening defence cooperation across traditional and emerging domains.

    • About India–Viet Nam Relationship

  • Evolution of Relations: India and Viet Nam share a long-standing bilateral relationship built on historical, cultural, and political foundations, rooted in the shared ideals of Mahatma Gandhi and President Ho Chi Minh.
  • India established full diplomatic relations with Viet Nam in 1972, and further evolved into political, economic, defence, cultural, and people-to-people cooperation.
  • 2016: Bilateral ties were elevated from a ‘Strategic Partnership’ to a Comprehensive Strategic Partnership. It was further defined by the ‘Joint Vision for Peace, Prosperity and People’ adopted during the Virtual Summit (2020).
  • 2022: 50th anniversary of diplomatic relations observed. 
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    Transplantation of Human Organs and Tissues Rules, 2025

    In News

  • The Union Ministry of Health and Family Welfare has amended the Transplantation of Human Organs and Tissues (Amendment) Rules, 2025 under the Transplantation of Human Organs and Tissues Act, 1994.

    • Key Highlights

  • The amendment strengthens the National Organ Transplant Programme (NOTP) and streamlines functioning of corneal transplantation centres, while facilitating wider accessibility to eye donation and transplantation services across the country.
  • The amendment removes the mandatory requirement of Clinical Specular Microscope equipment in corneal transplantation centers, which was used earlier to assess corneal endothelial cell health. 
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    Recurring Rail Tragedies in India

    Context

  • India has witnessed a worrying recurrence of train accidents caused by technical failures & human error in the recent.

    • What are the Major Causes of Accidents?

  • Staffing Shortages in Safety-Critical Roles: Out of the one million positions that are directly engaged in operations and maintenance, there are more than 1.5 lakh vacancies in safety/operational posts.
  • Infrastructure Constraint: Persistent concerns exist over delayed track renewal, outdated signalling systems, and frequent damage to signal and communication cables during maintenance and construction works — issues that the Railway Board has warned could have “catastrophic consequences.”
  • Inadequate Safety Systems: Slow deployment means that most of the routes remain without a KAVACH, leaving them vulnerable to human-error or signalling failures.
  • Human Error: It remains a key contributor like errors in signal setting, point switching, train control, fatigue due to long hours.
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    Altermagnetism

    Context

  • The discovery of altermagnetism has emerged as a new class of magnetic order.

    • Altermagnetism

  • It is rotating or mirror-flipping the crystal pattern matches sites in cancelling pairs, leaving no net magnetisation — thus bridging the gap between other two types.
  • In altermagnets, the magnetic moments of neighbouring atoms point in opposite directions — one up, the next down — just like in antiferromagnets.
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    News in Short – 11 November, 2025

    In News

  • The World Health Organization (WHO) confirmed an outbreak of Rift Valley Fever (RVF) affecting Mauritania and Senegal in Western Africa.

    • About Rift Valley Fever (RVF)

  • RVF derives its name from Kenya’s Rift Valley, where the disease was first recognised in the early 1930s.
  • It is caused by a Phlebovirus belonging to the Phenuiviridae family.
  • It primarily affects animals such as sheep, goats, cattle, and camels. 
  • Humans become infected through close contact with infected animals or by the bite of infected mosquitoes.
    • Read More
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