Question : Which external source of recruitment is highlighted in the given statement?
It serves as a link between job seekers and employers.
Option 1: Direct recruitment
Option 2: Casual callers
Option 3: Advertisement
Option 4: Employment exchange
Correct Answer: Employment exchange
Solution : Under this method employment exchange is run by government are used for filling unskilled and semi skilled jobs. Employment exchange service link between job seekers and employers.
Hence, option D is correct.