India possesses a vast and strategically vital maritime expanse. Managing the security of this zone is critical for national sovereignty, economic stability, and disaster resilience.
Maritime Boundary and Geopolitical Framework
India’s coastal security architecture is governed by its geographic disposition and international legal frameworks like the United Nations Convention on the Law of the Sea (UNCLOS).
Spatial Dimensions of India’s Coastline
- Total Coastline: 7,516.6 km (Mainland: 5,422.6 km; Island Territories: 2,094 km).
- Exclusive Economic Zone (EEZ): Over 2.37 million square kilometers.
- Maritime States and UTs: 9 States (Gujarat, Maharashtra, Goa, Karnataka, Kerala, Tamil Nadu, Andhra Pradesh, Odisha, West Bengal) and 4 Union Territories (Daman & Diu and Dadra & Nagar Haveli, Lakshadweep, Puducherry, Andaman & Nicobar Islands).
- International Maritime Borders: India shares maritime boundaries with 7 nations: Pakistan, Maldives, Sri Lanka, Indonesia, Thailand, Myanmar, and Bangladesh.
Legal Classification of Maritime Zones (UNCLOS)
| Zone Name | Spatial Extent | Sovereign Rights and Jurisdiction |
| Territorial Sea | Up to 12 nautical miles (nm) from the baseline | Full sovereignty over the airspace, water column, seabed, and subsoil. |
| Contiguous Zone | From 12 nm to 24 nm from the baseline | Limited control to prevent and punish infringements of customs, fiscal, immigration, or sanitary laws. |
| Exclusive Economic Zone (EEZ) | From 12 nm to 200 nm from the baseline | Sovereign rights for exploring, exploiting, conserving, and managing natural resources (living and non-living). |
Geographical Vulnerabilities and Security Challenges
The unique geomorphology of the Indian coast presents distinct tactical challenges for maritime law enforcement and defense agencies.
Geomorphological Vulnerabilities
- The Creek Areas of Gujarat: The Sir Creek and Kori Creek regions feature dense mangrove swamps, marshy terrains, and highly erratic tidal patterns. The unresolved maritime boundary with Pakistan makes this zone highly susceptible to infiltration, illegal fishing, and smuggling.
- Sundarbans Delta (West Bengal): Characterized by a dense network of rivers, estuaries, and shifting mudflats. The porous nature of this international riverine border with Bangladesh facilitates illegal migration, human trafficking, and cattle smuggling.
- Island Territories (Saliency and Proximity):
- Andaman and Nicobar Islands: Comprising over 572 islands, this archipelago sits close to the Malacca Strait, a global maritime chokepoint. Their isolation makes them vulnerable to poaching of marine resources and clandestine foreign surveillance.
- Lakshadweep Islands: Located near international sea lanes in the Arabian Sea, making them critical for monitoring vessel traffic but vulnerable to drug trafficking networks originating from the Golden Crescent.
Anthropogenic and Non-Traditional Threats
- Asymmetric Warfare and Terrorism: The 2008 Mumbai Terror Attacks (26/11) highlighted the vulnerability of the sea route being exploited by non-state actors using commercial fishing vessels.
- Illegal, Unreported, and Unregulated (IUU) Fishing: Frequent incursions by foreign trawlers into India’s EEZ deplete local marine stocks and complicate maritime domain awareness.
- Climate Change and Natural Disasters: The Indian coastline is highly prone to tropical cyclones (especially the Bay of Bengal coast). Extreme weather events degrade coastal infrastructure and disrupt radar-based surveillance networks.
Institutional Framework and Multi-Tiered Security Architecture
Following the 2008 Mumbai attacks, India restructured its coastal defense mechanism into a structured, multi-tiered surveillance and enforcement matrix.
Command Structure
- Apex Authority: The National Committee for Strengthening Maritime and Coastal Security (NCSMCS), chaired by the Cabinet Secretary, coordinates policies across central and state agencies.
- Indian Navy: Designated as the authority responsible for overall maritime security, including coastal and offshore security.
- Indian Coast Guard (ICG): Designated as the authority responsible for coastal security in territorial waters, including areas to be patrolled by the Coastal Police.
Three-Tiered Defense Architecture
Deep Sea Tier (Beyond 200 Nautical Miles to EEZ)
- Primary Agency: Indian Navy.
- Assets Utilized: Guided-missile destroyers, frigates, P-8I Neptune long-range maritime patrol aircraft, and specialized naval satellites.
Intermediate Tier (12 Nautical Miles to 200 Nautical Miles)
- Primary Agency: Indian Coast Guard (ICG).
- Assets Utilized: Offshore Patrol Vessels (OPVs), Fast Patrol Vessels (FPVs), Dornier Do-228 aircraft, and Chetak helicopters.
Shallow Water/Coastal Tier (Up to 12 Nautical Miles)
- Primary Agency: Marine/Coastal Police of respective States and UTs.
- Assets Utilized: Interceptor boats, shallow-draft patrol vessels, and coastal police stations set up under the Coastal Security Scheme (CSS).
Technological and Infrastructure Interventions
To eliminate blind spots along the coastline, India has deployed an integrated electronic surveillance grid.
Maritime Domain Awareness (MDA) Systems
- National Command Control Communication and Intelligence (NC3I) Network: This platform links 51 nodes of the Indian Navy and Coast Guard to provide a composite tactical picture of the coastline.
- Information Management and Analysis Centre (IMAC): Located in Gurugram, IMAC is the nodal center for the NC3I network. It tracks commercial shipping data globally by fusing inputs from various sensors.
- Information Fusion Centre – Indian Ocean Region (IFC-IOR): An international extension hosted by India that coordinates with partner nations to counter maritime terrorism, piracy, and contraband smuggling in the wider Indian Ocean Region.
Surveillance Hardware
- Chain of Static Sensors: A network of Coastal Radar Chains consisting of high-power radars, Electro-Optic sensors, and Meteorological sensors mounted on lighthouses and towers along the mainland and islands.
- Automatic Identification System (AIS): Mandated for all vessels over 20 meters to transmit position, speed, and routing data continuously.
- Re-Sensing and Satellites: GSAT-7 (Rukmini) and GSAT-7A satellites provide dedicated secure communications and surveillance capabilities to the Indian armed forces over maritime zones.
Key Government Initiatives and Policy Schemes
Coastal Security Scheme (CSS)
Implemented in phases by the Ministry of Home Affairs to strengthen the infrastructure of the Marine Police. It funds the construction of coastal police stations, check posts, rigid-hull inflatable boats, and jet-skis for shallow-water patrolling.
Sagarmala Programme
While primarily an economic initiative for port-led development, Sagarmala modernizes port infrastructure, standardizes security protocols at minor and major ports, and enhances community surveillance by engaging coastal fishing communities.
Biometric Identity Cards for Fishermen
The government issues centralized biometric identity cards to all commercial fishermen and has initiated the mandatory registration of all fishing vessels under a uniform national database (ReALCraft) to prevent unauthorized boat duplication.
Trivia and Fact File for Prelims
- Sir Creek Dispute: A 96-km strip of water disputed between India and Pakistan in the Rann of Kutch marshlands. India demands the boundary lie along the center of the navigable channel (Thalweg principle), while Pakistan claims the entire eastern bank.
- Ten Degree Channel: Geographically separates the Andaman Islands from the Nicobar Islands in the Bay of Bengal, serving as a critical passage for international shipping moving toward the Strait of Malacca.
- Nine Degree Channel: Separates the island of Minicoy from the main Lakshadweep archipelago; it undergoes intense monitoring due to its proximity to international trade routes.
- Operation Oliver: A recurring annual operation conducted by the Indian Coast Guard to protect endangered Olive Ridley sea turtles along the Odisha coast, which simultaneously serves as a dense patrolling exercise to prevent illegal cross-border fishing.