The Indian navy is provides a full range of operations in which a nation's naval forces may be involved is vast, ranging from high intensity war fighting at one end to humanitarian assistance and disaster relief operations at the other end.

This broad continuum of operations can be broken down into distinct roles, each demanding a specific approach to the conduct of operations.

Objectives:

Deterrence against war or intervention
Decisive military victory in case of war
Security of India's territorial integrity, citizens and off-shore assets from sea-borne threat
Influence affairs on land
Safeguard India's mercantile marine and marine and maritime trade
Safeguard India's national interests and maritime security

Mission:
Nuclear second strike
MDA
Sea Control
Sea Denial
Blockade
Power Projection
Expeditionary Ops
Compellance
Destruction
SLOC Interdiction
SLOC Protection
Special Ops
Protection of offshore Assets
Seaward Defense
NCAGS Ops

Role of Indian navy: