Internal Security·Security Framework

Coastal Security Scheme — Security Framework

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Version 1Updated 7 Mar 2026

Security Framework

The Coastal Security Scheme (CSS), initiated by the Ministry of Home Affairs (MHA) in 2005, is India's primary program for bolstering security along its extensive coastline. Its core objective is to create a robust first line of defence against maritime threats such as smuggling, illegal immigration, and terrorism.

The scheme operates on a cooperative federalism model, with the Central government providing substantial funding and policy direction, while coastal states and Union Territories (UTs) are responsible for on-ground implementation.

A key component of CSS is the strengthening of the 'Marine Police Force' – a specialized wing of state police forces. This involves establishing dedicated Coastal Police Stations (CPS) at strategic locations, providing them with fast interceptor boats, essential vehicles, and modern communication equipment.

Rigorous training in maritime operations, often conducted by the Indian Coast Guard (ICG) and Indian Navy, is also a crucial aspect. The scheme has evolved through three distinct phases. Phase-I (2005-2009) focused on initial capacity building.

Phase-II (2009-2014), significantly expanded post-26/11 Mumbai attacks, increased infrastructure and equipment. Phase-III (post-2014) emphasizes technological upgrades, including coastal radar networks, Automatic Identification System (AIS) for vessel tracking, and integration into the National Coastal Security Grid for comprehensive Maritime Domain Awareness (MDA).

Despite its successes in enhancing surveillance and interdictions, CSS faces challenges like implementation delays, manpower shortages, equipment maintenance issues, and the need for seamless inter-agency coordination.

Its continuous evolution reflects India's commitment to securing its maritime borders, recognizing the critical link between coastal security and overall internal security and economic prosperity. From a UPSC perspective, understanding CSS is vital for analyzing India's internal security architecture, Centre-State relations, and the role of technology in governance.

Important Differences

vs Border Security Force (BSF)

AspectThis TopicBorder Security Force (BSF)
Primary DomainCoastal Security Scheme (CSS) / Marine PoliceBorder Security Force (BSF)
JurisdictionTerritorial waters (up to 12 nautical miles), creeks, estuaries, immediate coastline.Land borders (India-Pakistan, India-Bangladesh) and specific riverine/creek areas (e.g., Sir Creek).
Nodal MinistryMinistry of Home Affairs (MHA) for policy and funding; State Home Departments for implementation.Ministry of Home Affairs (MHA) as a Central Armed Police Force (CAPF).
Operational FocusCountering maritime infiltration, smuggling, illegal fishing, and coastal terrorism; first line of defence.Preventing trans-border crimes, infiltration, smuggling, and maintaining border integrity on land.
EquipmentInterceptor boats, coastal police stations, radar, communication systems, vehicles.Border outposts, patrol vehicles, surveillance equipment, weaponry, specialized land/riverine craft.
TrainingSpecialized maritime training, often by ICG/Navy.Infantry tactics, border management, counter-insurgency, riverine patrolling.
While both CSS (via Marine Police) and BSF are crucial components of India's border management strategy under the MHA, they operate in distinct geographical domains and with specific operational mandates. CSS focuses on securing the immediate coastal and territorial waters, acting as the first line of defence against sea-borne threats. BSF, on the other hand, is primarily responsible for guarding India's land borders, though it also has a role in certain riverine and creek areas. The CSS emphasizes Centre-State cooperation for implementation, whereas BSF is a centrally controlled force. Both contribute to national security by preventing illegal cross-border activities, but their approaches, equipment, and training are tailored to their respective environments.

vs Indian Coast Guard (ICG)

AspectThis TopicIndian Coast Guard (ICG)
Primary MandateCoastal Security Scheme (CSS) / Marine PoliceIndian Coast Guard (ICG)
JurisdictionImmediate coastline, shallow waters, creeks, non-major ports (up to 12 nautical miles).Territorial waters, Contiguous Zone, Exclusive Economic Zone (EEZ), and high seas (up to 200 nautical miles and beyond).
Nodal AuthorityState Police (under MHA policy/funding).Ministry of Defence (MoD).
Role in Coastal SecurityFirst line of defence, local law enforcement, community interaction, intelligence gathering.Overall coordinator for coastal security, search and rescue, anti-smuggling, marine environment protection, training Marine Police, operational command of coastal security grid.
Operational AssetsInterceptor boats (smaller), Coastal Police Stations, vehicles, basic surveillance.Offshore Patrol Vessels (OPVs), Fast Patrol Vessels (FPVs), Hovercrafts, Dornier aircraft, helicopters, advanced radar systems, Joint Operations Centres (JOCs).
PersonnelState Police personnel, trained for maritime duties.Dedicated uniformed service personnel, specialized in maritime law enforcement and operations.
The CSS, through the Marine Police, and the Indian Coast Guard are complementary forces in India's maritime security framework. The Marine Police forms the innermost layer, focusing on local law enforcement and immediate coastal areas, acting as the 'eyes and ears' on the ground. The ICG, under the Ministry of Defence, is the principal agency for coastal security, responsible for broader maritime law enforcement, search and rescue, and environmental protection across India's vast maritime zones. The ICG also plays a crucial role in coordinating and training the Marine Police, ensuring a unified approach to coastal defence. Their coordinated efforts are essential for a robust, layered security system.
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