Why in News? 

• The 14th edition of Exercise INDRA commenced in Chennai. 

About Exercise INDRA 

• A bilateral naval exercise between India and Russia, conducted regularly since 2003. 
• It includes joint operations, tactical maneuvers, and naval coordination. 

Exercise Phases 

• Harbour Phase: Conducted at Chennai Port; involves planning conferences, professional interactions, and cultural exchanges. 
• Sea Phase: Held in the Bay of Bengal; includes complex naval drills and joint maritime operations.