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Extended Range Anti-Submarine Rocket | Current Affairs | Vision IAS
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Posted 10 Jul 2025

8 min read

Extended Range Anti-Submarine Rocket

India has tested the indigenous anti-submarine rocket systems.

About ERASR

  • ERASR is a totally indigenous anti-submarine rocket used to combat submarines and fired from onboard of Indian Naval Ships. 
  • It has twin-rocket motor configuration to meet a wide spectrum of range requirements with high accuracy and consistency. 
  • It uses an indigenously developed Electronic Time Fuze.
  • Designed and developed by DRDO’s Armament Research & Development Establishment (ARDE), Pune.
  • Tags :
  • DRDO
  • Extended Range Anti-Submarine Rocket

Advanced Towed Artillery Gun Systems

Recently, Defense Ministry called indigenously-made Advanced Towed Artillery Gun Systems (ATAGS) project an "exemplary mission mode success".

About ATAGS

  • Designed by: Armament Research and Development Establishment (ARDE), Pune, a laboratory of DRDO.
  • It is a large gun that can fire guided missiles for accurate long-distance attacks.
  • Uses an electric system that needs less maintenance and works reliably for a long time.
  • It also features an Automatic Ammunition Handling System, including Crane.
  • Tags :
  • Advanced Towed Artillery Gun Systems
  • Automatic Ammunition Handling System

Mahi or Mahisagar River

A Bridge collapsed in Gujarat over Mahi River.

About Mahi River

  • Type: Major west-flowing interstate river. Also known as Mahisagar due to its vastness. 
  • Origin: Northern slope of the Vindhyas, near Sardarpur, Dhar district, Madhya Pradesh.
  • Empties Into: Gulf of Khambhat, Arabian Sea.
  • Interstate river: Madhya Pradesh, Rajasthan, and Gujarat.
  • Topographical Boundaries
    • North & North-West: Aravalli Hills
    • East: Ridge separating it from Chambal Basin
    • South: Vindhya Range
    • West: Gulf of Khambhat
  • Distinct Characteristics: 
    • One of the few rivers in India that flows across the Tropic of Cancer twice. 
    • Forms a zigzag course unlike other west-flowing rivers.
  • Tags :
  • Mahi River

INS Nistar

Recently, ‘Nistar’, the first indigenously designed and constructed Diving Support Vessel, was delivered to the Indian Navy.

About INS Nistar

  • It is installed with state-of-the-art Diving Equipment with capability to undertake Deep Sea Saturation Diving up to 300 m depth. 
  • It has a Side Diving Stage for undertaking Diving Operations up to 75 m depth.
  • It will serve as ‘Mother Ship’ for the Deep Submergence Rescue Vessel (DSRV), to rescue and evacuate personnel.
  • It is equipped with a combination of Remotely Operated Vehicles to undertake Diver Monitoring and Salvage Operations up to a depth of 1000 m.
  • Tags :
  • INS Nistar
  • Deep Submergence Rescue Vessel

Lake Turkana

Scientists extracted 18-20 million-year-old proteins from tooth enamel of extinct mammals found in Lake Turkana.

About Lake Turkana (Lake Rudolf or Jade Sea)

  • Location: Mainly in Northern Kenya, with some part in Ethiopia.
  • Africa’s 4th largest lake by surface area and the world’s largest permanent desert lake.
  • Lake Turkana National Parks, including the lake, are designated World Heritage Sites.
  • Only perennial tributary: Omo River
  • Tags :
  • Lake Turkana

Catastrophe Bonds (Cat Bonds)

A relatively new type of financial instrument, Cat bonds can help in planning natural disasters.

About Cat Bonds

  • It is a financial instrument that transfers catastrophic insurance risk to investors, who receive high yields but may lose their principal if a specific disaster occurs.
  • It could include earthquakes, hurricanes, floods, and other extreme events.
  • Investors can receive high yields, but lose their principal if a predefined natural disaster occurs before the bond matures.
  • Climate change and the increased frequency of natural disasters are making Cat Bonds more important in the insurance industry.
  • Tags :
  • Cat Bonds
  • Disaster Insurance

Shadow Banking

The Finance Minister said Non-banking financial institutions (NBFCs) are no longer shadow banks.

About Shadow Banking

  • It refers to a network of financial intermediaries and institutions that operate outside the traditional banking system. These are not subject to the same regulatory oversight as conventional banks.
  • Issues: Lack of transparency and the potential for increased systemic risk. 
  • Role: It plays a significant role in the global financial system by providing credit and liquidity to various sectors.
  • Example: Money Market Funds, Hedge Funds, Private Equity Funds, Securitization and Asset-Backed Securities.
  • Tags :
  • NBFCs
  • NBFC
  • Shadow Banking

Admiralty (Jurisdiction and Settlement of Maritime Claims) Act, 2017

The Kerala government has sought compensation for environmental damage under Admiralty Act, 2017 for sinking of a ship.

About the Act

  • Application: To every vessel, irrespective of the place of residence or domicile of the owner.
  • Types of maritime claims covered: Damage to ships, Ownership and agreement disputes, Loss of life at sea, Wage issues for maritime workers, Environmental damage.
  • The jurisdiction: Should vest in the respective High Courts.
  • Covers compensation for damage, removal measures, and remediation costs
  • Enables ship arrest (detention) until claims are settled or security is provided.
  • Tags :
  • Admirality Act, 2017
  • Ship Detention
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