[1] After serving at various places of undivided Bengal, lastly as Special SP of the Intelligence Branch, he went on central deputation on 18 June 1947 and joined the I.B.
But when Mullik retired in 1964, Sharda Prasad Verma, an IG of Bihar, was appointed as DIB.
when R&AW was carved out of it over Hooja's strenuous protests and non-cooperation[10] and foreign intelligence was removed from the purview of the I.B.
After retirement, Hooja went to Calcutta where he worked as director of B. N. Elias & Company for 15 years.
[11] During this time, he had also worked as a member of the L. P. Singh Committee, set up by the Janata Party government to probe the misuse of I.B.