The terrible incident I am about to narrate took place when I had gone out for a walk one evening. I had been studying the whole day, and was feeling quite tired. I felt that I could not do another Maths problem or learn another English poem. Seeing my condition, my mother urged me to take a walk, refresh my mind and then return to study.

We don't have much open space within our complex, so I went out of the gate onto the...