Investigators suspect that the recentcar blast near the Red Fort inNew Delhimay have been caused by animprovised explosive device(IED).
About Improvised Explosive Device (IED)
- An Improvised Explosive Device (IED) is ahomemadeornon-standard explosiveweapon assembled from commercial or military components to cause damage.
- Wide Range:IEDs can be built using pressure cookers, metal pipes, chemical fertilisers, cell phones, vehicle parts and other readily available items.
- Size Variation:Their size ranges from small improvised devices to large vehicle-concealed bombs known asVehicle-Borne IEDs(VBIEDs).
- Core Components:A typical IED containsfive elements:Switch(Trigger),Initiator(Detonator),Main Charge(Explosive Material),Power Source(Battery), andContainer(Casing).
- Lethal Enhancements:Many IEDs include nails, ball bearings, or hazardous chemicals to maximise casualties during detonation.
- Trigger Methods:Common triggering systems include command-operated remote methods, timer-based systems, and victim-operated mechanisms (i.e., pressure plates).
IAS-2026 - OPTIONAL / GEOGRAPHY / PUBLIC ADMINISTRATION / SOCIOLOGY / ANTHROPOLOGY / ORIENTATION ON 03 & 04-10-2025 
