 He has been an instructor at the Indian Military Academy, the College of Combat and the Defence Services Staff College in India.In recognition of his distinguished service to the Indian Army, Banerjee received the prestigious military honour "Ati Vishisht Seva Medal" (Highly Distinguished Service Medal) from the President of India.Banerjee served as the deputy director of the Institute for Defence Studies and Analyses, India’s premier defence and security studies think tank, where he was also a senior fellow.