Indian Navy conduct a largest exercise in Indian Ocean. The exercise is biennial Theatre Level Operational Readiness Exercise (TROPEX 21).

  • Exercise commenced in early January, which will culminate by the third week of February.

First Phase of the Exercise

During first phase, exercise ‘Sea Vigil’ was conducted from 12-13 January 2021. The TROPEX-21 exercise was conducted with the aim of validating the coastal defence setup of India. The exercise was participated by the Indian Navy, Marine Police of 13 coastal States and UTs and the Indian Coast Guard, besides the stakeholders in the maritime domain.


The Tri-Service joint amphibious AMPHEX-21 exercise was held after the exercise Sea Vigil.  It was held in the Andaman and Nicobar from 21-25 January 2021. It was held with the aim of validating India’s capabilities so as to safeguard the territorial integrity of its Islands.

Weapon Workup Phase of TROPEX

Current phase of the TROPEX observed the multiple on-target ordnance deliveries such as torpedoes, missiles and rockets from frontline aircrafts, warships and submarines. It demonstrated the firepower of the Indian Navy.

  • Theme of the exercise
    • ‘Combat Ready, Credible and Cohesive force’.
  • Location
    • The TROPEX exercise is being conducted over a vast geographical expanse in the Indian Ocean Region (IOR).
  • Overseen By
    • Conduct of TROPEX TROPEX is being overseen by Naval Headquarters with participation from all three Commands of the Indian Navy (Eastern, Western and Southern Naval Command) and the only Tri-Service theatre command of the Indian Armed Forces located at Port Blair.
  • Aims
    • To Promote Stability and Peace: The Theatre Level exercise also aims to validate the Navy’s offensive-defence capabilities, safeguard national interests in the maritime domain and promote stability and peace in the Indian Ocean Region (IOR).
    • Coastal Defence Setup: This exercise aimed to validate the coastal defence setup of the country, which was entirely revamped after the 26/11 Terror attacks at Mumbai.
    • Combat readiness: It aimed at testing combat readiness of the Navy in a complex multi-dimensional scenario set in the context of the current geo strategic environment.


  • This exercise is observing the participation of all operational units of Indian Navy such as submarines, ships and aircraft.
  • The units of Indian Army, Indian Air Force (IAF) and Indian Coast Guard are also participating in the biennial exercise.
  • It is being held in the Indian Ocean Region (IOR) and its adjunct waters.
  • It is being looked by the Naval Headquarters along with the participation of all three Commands of Indian Navy besides the Tri-Services Command.

Indian Navy conduct TROPEX-21 exercise Indian Navy conduct TROPEX-21 exercise