ISRO-developed transponders to be fitted on 1 lakh fishing vessels under ₹364 crore VCSS plan

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ISRO-developed transponders to be fitted on 1 lakh fishing vessels under ₹364 crore VCSS plan

Synopsis

India is set to fit one lakh fishing vessels with ISRO-built transponders under a ₹364 crore plan — giving fishermen SOS alerts, cyclone warnings, and geo-fencing to prevent accidental border crossings. It is one of the most ambitious maritime safety deployments in the country's history, and a landmark civilian use case for ISRO technology.

Key Takeaways

The Union Department of Fisheries approved the VCSS national roll-out under PMMSY at a cost of ₹364 crore .
One lakh marine fishing vessels will be fitted with ISRO-developed transponders , provided free to eligible fishermen.
The project follows a 60:40 Centre-state cost-sharing model; Union Territories receive 100% central funding .
The Nabhmitra app offers SOS messaging, cyclone alerts, geo-fencing boundary alerts, and Potential Fishing Zone (PFZ) advisories in regional languages.
Infrastructure is planned at 423 of 1,547 notified Fish Landing Centres; Andhra Pradesh leads with 350 FLCs.

The Union Department of Fisheries on Thursday approved a national roll-out plan to equip one lakh marine fishing vessels across India with transponders under the Vessel Communication and Support System (VCSS), at a total outlay of ₹364 crore. The system, indigenously developed by the Indian Space Research Organisation (ISRO), will enable real-time monitoring, control, and surveillance of fishing boats operating in Indian waters.

What the VCSS Project Covers

The roll-out has been approved under the Pradhan Mantri Matsya Sampada Yojana (PMMSY) and involves three core components: installation of transponders on eligible fishing vessels, establishment of earth stations and associated communication infrastructure, and development of the 'Nabhmitra' application in regional languages.

Transponders will be provided free of cost to eligible fishermen. The project will be implemented on a 60:40 cost-sharing basis between the Centre and states, while Union Territories will receive 100 per cent central assistance.

Key Features of the Nabhmitra Application

ISRO's Nabhmitra app is central to the initiative, offering a suite of safety and operational tools for the marine fishing community. Its capabilities include periodic position reporting, two-way messaging, emergency SOS messaging, automatic boundary-crossing alerts based on geo-fencing, weather and cyclone warnings, Potential Fishing Zone (PFZ) advisories, navigational assistance, and an e-Token and Trip Declaration system.

The geo-fencing feature is particularly significant — it will alert fishermen before their vessels inadvertently cross into the territorial waters of neighbouring countries, a recurring source of diplomatic friction involving Indian fishing communities.

Infrastructure at Fish Landing Centres

The project also plans communication infrastructure at 423 Fish Landing Centres (FLCs) out of a total of 1,547 notified centres across the country. Selection of FLCs is based on the volume of fishing activity, the number of fishers dependent on each centre, proximity to fish markets and processing units, and techno-financial viability.

According to government records, Andhra Pradesh has the highest number of FLCs at 350, followed by Tamil Nadu with 301 and Kerala with 204.

Why This Matters for Fishermen's Safety

India's marine fishing sector employs millions of coastal workers who regularly face risks from extreme weather events, cyclones, and maritime boundary violations. The VCSS system directly addresses these vulnerabilities by allowing rescue agencies to pinpoint vessel locations during emergencies — a capability that has historically been limited for small-scale fishing boats.

This is also a notable milestone for ISRO's civilian applications portfolio, demonstrating the space agency's expanding role beyond satellite launches into grassroots livelihood support. With guidelines now approved, implementation timelines and state-level roll-out schedules are expected to be communicated to coastal states and Union Territories in the coming weeks.

Point of View

Particularly in smaller states with limited port capacity. With only 423 of 1,547 FLCs covered in the first phase, a large share of the fishing community remains outside the safety net for now. The geo-fencing feature, if it works reliably at sea, could also reduce the diplomatic incidents involving fishermen arrested for crossing into neighbouring territorial waters — a problem that has persisted for decades with little technological intervention.
NationPress
31 Jul 2026

Frequently Asked Questions

What is the Vessel Communication and Support System (VCSS)?
The VCSS is an indigenously developed maritime safety system by ISRO that enables real-time monitoring, control, and surveillance of marine fishing vessels. It includes transponders fitted on boats and the Nabhmitra application, offering features such as SOS alerts, cyclone warnings, and geo-fencing boundary alerts.
How much will the VCSS roll-out cost and who funds it?
The national roll-out is approved at a total cost of ₹364 crore under the Pradhan Mantri Matsya Sampada Yojana (PMMSY). Funding follows a 60:40 cost-sharing ratio between the Centre and states, while Union Territories receive 100 per cent central assistance.
Will fishermen have to pay for the transponders?
No. Transponders will be provided free of cost to all eligible fishermen as part of the VCSS roll-out approved by the Union Department of Fisheries.
What is the Nabhmitra application and what does it do?
Nabhmitra is an ISRO-developed app for the marine fishing community, available in regional languages. It provides periodic position reporting, two-way messaging, emergency SOS alerts, automatic boundary-crossing warnings via geo-fencing, weather and cyclone advisories, Potential Fishing Zone (PFZ) guidance, and an e-Token/Trip Declaration system.
Which states have the most Fish Landing Centres under this project?
According to government records, Andhra Pradesh has the highest number of notified Fish Landing Centres at 350, followed by Tamil Nadu with 301 and Kerala with 204. Infrastructure under VCSS is planned at 423 FLCs out of a total 1,547 notified across the country.
Nation Press
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