Ghosh joined the
Archaeological Survey of India in 1937 and eventually rose to become its Director-General. He served in that position from 1953 to 1968. During his period with the Survey, Ghosh led or participated in a number of excavations, including investigations at
Pachmarhi,
Bikaner,
Brahmagiri,
Maski,
Taxila,
Arikamedu, and
Harappa. In 1950, Ghosh organized and began a systematic exploration of the Bikaner site, along the dried-up bed of the ancient
Saraswati River. Within a few months, his work uncovered more than 100 sites, 25 of which yielded similar antiquities to those found at Harappa and
Mohenjodaro. a comprehensive reference book on archaeological work conducted over the years in India. Other works include
A Survey of the Recent Progress in Early Indian Archaeology, The City in Early Historical India, (13) and
A Guide to Nālandā. ==Personal==