Question:

Explain the following external sources of recruitment :

(i) Casual Callers

(ii) Employment Exchange

(iii) Advertisement

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Explain each source in two or three sentences. Casual callers are unsolicited applicants on record, the employment exchange gives names of registered job seekers, and advertisement publicises the vacancy widely.
Updated On: Oct 26, 2026
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Solution and Explanation

Step 1: Understand the question:
External recruitment means getting candidates from outside the organisation.
We explain casual callers, employment exchange and advertisement as three such sources.

Step 2: Casual callers:
Job seekers sometimes apply on their own even though no vacancy has been announced. These are unsolicited applications.
The firm keeps a database of such applicants. When a vacancy arises, it screens the list and calls suitable persons.
This lowers the cost of recruiting as compared to other sources.

Step 3: Employment exchange:
Employment exchanges are set up by the government and keep a record of unemployed persons who have registered.
An employer tells the exchange of the vacancies and gets names of suitable persons.
They are a useful source for filling posts of skilled, unskilled and operative workers.

Step 4: Advertisement:
The firm publishes the details of the vacancy in newspapers, trade journals or on radio and television.
Advertisement reaches a very large number of people, so it gives a wide choice of candidates.
A drawback is that many unsuitable applications may come in, and the cost of the advertisement and screening can be high.

Final Answer:
Casual callers are unsolicited applicants kept on record, the employment exchange supplies registered job seekers, and advertisement gives wide publicity to a vacancy.
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