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Elephant Intrusion Detection System (IDS) for Railways UPSC NOTE

 Project Goal:

  • Install an optical fibre-based intrusion detection system (IDS) to prevent elephant deaths on train tracks.

  • Location:

  • 33-km stretch between Kottekkad and Madukkarai (elephant-infested area)

  • First implementation in Southern Railway (after success in Northeast Frontier Railway)

Project Cost and Timeline:

  • ₹15.4 crore

  • Expected completion by December 2024 (war footing)

System Functionality:

  • Laying of optical fibre cable along both sides of railway lines (approx. 130 km)

  • Detect presence of animals (big and small) through vibrations

Send real-time alerts to:

  • Intrusion monitoring cell

  • Stationmasters

  • Loco pilots

  • Ability to differentiate between animals and vehicles (deer, jeep example)

  • No cameras used (relies on acoustics and optics)

  • Provide exact location of encroaching elephants


  • Lack of sufficient railway land for ideal cable placement (100 meters from tracks)

  • Loco pilots might not have enough reaction time if cable is laid closer to tracks (elephants appearing suddenly)



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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: Elephant Intrusion Detection System (IDS) for Railways UPSC NOTE
Elephant Intrusion Detection System (IDS) for Railways UPSC NOTE
Learnerz IAS | Concept oriented UPSC Classes in Malayalam
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