The passage sounds as if it was written a hundred years ago, full of complicated sentences and formal vocabulary. The writing style is closer to that of the British (who colonized India) than that of the United States.
However, the explanation of why the exam is used is particularly candid: to save the government from having to support employees who become ill and therefore cannot perform the tasks for which they were hired.
The wording of this note, which follows a table showing the minimum height requirements for male and female applicants, would likely be considered offensive in most cultures. In India, a culture made of many ethnic groups and with a rigid caste system, most readers would not be offended