Definition of babus:
(n) :
(Hinglish, North India) A Hindu title of respect, equivalent to Mr., usually appended to the surname of a Hindu man.
(n) :
(historical) Originally, a Hindu gentleman employed to work as a clerk for the colonial administration; now, a clerk or low-ranking government official.
(n) :
(derogatory, chiefly social media) an archetypical Indian bureaucrat, perceived as being corrupt, lazy or arrogant.
(n) :
A surname.