Joint / Tri - Service Operations and Exercises Theatre Level Operational Readiness Exercise (TROPEX 21) Indian Navy’s Largest War Game Indian Navy Conducts Joint Exercise with Army and Air Force Completion of Coastal Defence Exercise Sea Vigil 21 Indian Navy to Coordinate Second Edition of Largest Coastal Defence Exercise – Sea Vigil 21 Jamuna Progresses Joint Hydrographic Operations Off Sri Lanka Coastal Security Exercise ‘Sagar Kavach’ Exercise Jal Prahar 1/2016 conducted