Infiltration
nounUsage in a UPSC answer
Persistent cross-border infiltration by armed militants has compelled the state to recalibrate its internal-security architecture, balancing robust border management with the constitutional safeguards owed to genuine residents.
Synonyms
Antonyms
Word Family
infiltrate (v), infiltrator (n), infiltrated (adj), infiltrating (v pres.p), infiltrative (adj)
Root
Medieval Latin infiltrāre = to strain in; in- = into; filtrāre = to filter
Etymology
From Medieval Latin infiltrāre ("to strain in"), from Latin in- ("into") + filtrāre ("to filter"); military usage emerged in the early 20th century.
Memory Hook
In + FILTER + ation: think of something quietly seeping IN through a FILTER, just as a spy or seeping water slips in unnoticed through the gaps.
How This Word Works in UPSC Writing
Covert crossing of a border to conduct hostile activity. The counter-infiltration problem is best explained through its layers rather than as a single task, since no barrier alone suffices. Detection depends on sensors, radar, aerostats and patrolling; interdiction on the physical obstacle and the quick reaction force behind it; and prevention on intelligence that identifies attempts before they begin, which is why border guarding is as much an intelligence function as a physical one. Terrain dictates the mix, so a fence works on the Punjab plains but is impracticable across Himalayan passes or riverine and marshy stretches such as the Sundarbans and the Sir Creek, which is why technology-based surveillance was developed for precisely those sectors. India follows the one border one force principle, assigning the Border Security Force to the Pakistan and Bangladesh borders, the Indo-Tibetan Border Police to China, the Sashastra Seema Bal to Nepal and Bhutan, and the Assam Rifles to Myanmar, so that accountability is not divided.
Don’t Confuse It With
Infiltration is covert entry to conduct hostile activity, whereas illegal immigration is unauthorised entry for residence or work, and conflating the two distorts both the security and the humanitarian analysis. Exfiltration is covert departure. Smuggling moves goods rather than persons. The Line of Control in Jammu and Kashmir and the Line of Actual Control with China are not settled international boundaries, which is why they are managed differently from the recognised border with Bangladesh or Nepal.
Hindi Meaning
घुसपैठ (ghuspaith); अवैध प्रवास for illegal immigration.
Common Questions
- What is the one border one force principle?
- That a single force should be responsible for each border, so the BSF guards the Pakistan and Bangladesh borders, the ITBP the Chinese border, the SSB the Nepal and Bhutan borders and the Assam Rifles the Myanmar border.
- Why is fencing not the whole answer to infiltration?
- Because terrain makes it impracticable in mountains and riverine tracts, and because detection and interdiction still require sensors, patrols, quick reaction forces and prior intelligence.
Seen in UPSC Question Papers
- Mains 2022 · GS4 · 20 marks — Ethics in Public Administration
Real UPSC previous-year questions whose text uses “Infiltration” — proof this word earns its place on your list.
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BharatNotes