Navy Week culminates on December 4, which is celebrated as Navy Day

Every year, India celebrates December 4 as Navy Day to commemorate Operation Trident – a key offensive during the 1971 India-Pakistan War, when the Indian Navy inflicted heavy damage on Pakistani vessels in Karachi harbour

The same day also marks the end of Navy Week, which, too, is celebrated annually

Navy Day commemorates the Indian Navy's achievements in ‘Operation Trident' during the 1971 Indo-Pak War

Celebrated on December 4th annually, Navy Day commemorates the Indian Navy's pivotal role in the 1971 Indo-Pak war, specifically its triumph in 'Operation Trident'

During Operation Trident, the Indian Navy sank four Pakistani vessels and severely damaged Karachi harbour fuel fields

During Navy Week and the days prior to that, various events take place such as an open sea swimming competition, ships are open for visitors and school children, there is a veteran sailors lunch, performances by the Naval Symphonic Orchestra take place, an Indian Navy Inter School Quiz Competition happens, a Navy Half Marathon, as well as an air display for school children and the beating retreat and tattoo ceremonies, happen

Each year on the eve of the Indian Navy Day, a Beating Retreat ceremony is organised at the Gateway of India in Mumbai

The Indian Naval Band performs across places between Gateway of India and Radio Club and warships, aircraft are open for visitors