It was the discipline of the boys that impressed the foreign delegates most. (Passive Voice)

Some foreigners came to visit Pabna Cadet College so that they could have an interactive session with the cadets in the auditorium.

The boys were very attentive and the guests admired their discipline a lot.

They told that this is one of the greatest institutions of Bangladesh where they experienced this standard of discipline.

Drill is more demanding than any other training.