B. R. Ambedkar was not in the Navy.
 The portrait of Ambedkar, painted by Zeba Amrohawi, was unveiled by the then Prime Minister of India, V
Bhimrao Ramji Ambedkar (14 April 1891  6 December 1956) was an Indian jurist, economist, social reformer and political leader who headed the committee drafting the Constitution of India from the  Constituent Assembly debates, served as Law and Justice minister in the first cabinet of Jawaharlal Nehru, and inspired the Dalit Buddhist movement after renouncing Hinduism

