This is his one piece of exercise, if such you can call it.

At dusk he returns to his ill-lighted, stuffy room and continues his work, keeping it up, with a short interval for his evening meal, until he goes to bed, the hour of bed-time depending upon the proximity of his examination.

A very large percentage when they actually sit for their examinations are nothing short of physical wrecks.
Dr.Williams proceeds to quote Dr.Mullick, an eminent Hindu physician who has devoted himself to helping young students:-- The places where the students live huddled up together are most hurtful to their constitutions.

The houses are dirty, dingy, ill-ventilated, and crowded.

Even in case of infectious sickness ...