Cawthorn left Pakistan in 1951 .
At Partition in 1947 he opted for the Pakistan Army and from 1948 to 1951 he was Deputy Chief General Staff , Pakistan Army under Lieutenant General Ross C. McCay .
Deputy Chief General Staff left Pakistan in 1951 .
At Partition in 1947 he opted for the Pakistan Army and from 1948 to 1951 he was Deputy Chief General Staff , Pakistan Army under Lieutenant General Ross C. McCay .