He was unwell since sometime for which he underwent treatment at the INHS Asvini hospital in Colaba area from July 19 and was discharged on August 21, the official said.
Several activities like fly-pasts, flashing warship lights and other displays by the Indian army bands were included in Sunday's spectacular show across the country.
It is the first such case of a sizeable number of military personnel being treated for COVID-19. The Indian Army has reported eight cases of the deadly virus so far.