while teaching english literature at brindaban college in sylhet, he took the first foreign service exams of pakistan (1948), before teaching english literature for a few months at michael madhusudhan datta college in jessore. he joined the first batch of pakistan foreign service trainees in 1949, moving to karachi. soon after he left for training in london, which included taking a special course at the london school of economics, before he moved in 1950 to paris to complete his training. returning briefly to karachi, he was sent back (1951) to paris as third secretary in the pakistan embassy.