A patrol boat is a relatively small naval vessel generally designed for coastal defence, border security, or law enforcement. There are many designs for patrol boats, and they generally range in size. They may be operated by a nation's navy, coast guard, police, or customs, and may be intended for marine, estuarine, or river environments.
Goa Shipyard Limited (GSL) is an Indian Government owned ship building company located on the West Coast of India at Vasco da Gama, Goa. It was established in 1957, originally by the colonial government of the Portuguese in India as the "Estaleiros Navais de Goa", to build barges to be used in Goa's growing mining industry, which took off after the establishment of India's blockade of Goa in 1955. In the wake of Portugal's defeat and unconditional surrender to India following the 1961 Indian annexation of Goa, it was requisitioned to manufacture warships for the Indian Navy and the Indian Coast Guard.
The Saryu class of offshore patrol vessels (OPV) are advanced patrol ships of the Indian Navy built at the Goa Shipyard Limited. These vessels are capable of ocean surveillance and monitoring and can maintain control of shipping lanes. They can also be deployed to provide security to offshore oil installations, and other naval assets.
ABG fast interceptor craft are a series of thirteen 26-metre (85 ft) high-speed interceptor boats designed and supplied in knocked down kits by Henderson based Global Marine Design and assembled by ABG Shipyard, Surat for the Indian Coast Guard.
L&T fast interceptor craft are a series of high-speed interceptor boats being built by L&T Shipyard for the Indian Coast Guard. The ships are intended for patrol and rescue operations in India's Exclusive Economic Zone.
Aadesh-class patrol vessels are a series of twenty fast patrol vessels (FPVs) built for the Indian Coast Guard by Cochin Shipyard Limited at its shipyard in Kochi, Kerala. The ships have been designed by M/s Smart Engineering & Design Solutions (SEDS), Kochi.
The Rani Abbakka-class patrol vessel are a series of inshore patrol vessels being built by Hindustan Shipyard Ltd. for the Indian Coast Guard. They are based on Australian Thornycroft design. The ship, incidentally, is named after Abbakka Mahadevi, the legendary queen of Tulunadu, Karnataka who fought the Portuguese in the latter half of the 16th Century.
The Rajshree-class patrol vessels are a series of eight inshore patrol vessels built by Garden Reach Shipbuilders & Engineers (GRSE), Kolkata for the Indian Coast Guard.
The Samarth-class offshore patrol vessel are a series of eleven offshore patrol vessels being built by Goa Shipyard Limited for the Indian Coast Guard. The construction of Samarth class was motivated by a desire to triple the Coast Guard assets in the aftermath of 2008 Mumbai attacks. They are an improvement over the earlier Sankalp class, with a larger beam and more powerful engines. The ships are being constructed in two batches—a batch of six ordered in May 2012 that was completed in December 2017 and a follow-on batch of five ordered in August 2016.
Vikram-class offshore patrol vessels are series of nine watercraft jointly built by Mazagon Dock Limited Mumbai and Goa Shipyard Limited, Vasco da Gama, Goa for the Indian Coast Guard.
The Vishwast-class offshore patrol vessels are series of three offshore patrol vessels built by Goa Shipyard Limited, Vasco da Gama, Goa for the Indian Coast Guard.
Bharati-class of interceptor boats are a series of fifteen watercraft being built by Bharati Shipyard for the Indian Coast Guard.
ICGS Samarth is the Indian Coast Guard's latest and largest Offshore Patrol Vessel (OPV). Samarth is first in the series of six 105m offshore patrol vessels and has been built by Goa Shipyard Limited. The vessel was commissioned to coast guard service on 10 November 2015 by Defence Minister Manohar Parrikar. Samarth is based in Goa and will be extensively used for Exclusive Economic Zone and other duties as it is set to be exploited extensively on the Western Seaboard. The vessel will be under the command of a Deputy Inspector-General.
ICGS Samrat (CG47) is an Indian Coast Guard Advanced Off Shore Patrol Vessel (OPV), second ship of Sankalp class which has been indigenously designed and built by Goa Shipyard Limited. The vessel was commissioned to coast guard service on 21 January 2009 by Former Defence Minister A. K. Antony. Samrat is based in Goa and will be extensively used for Exclusive Economic Zone and other duties as it is set to be exploited extensively on the Western Seaboard.
The Vikram-class offshore patrol vessel is a series of seven offshore patrol vessels (OPV) being built at the Kattupalli shipyard by L&T Shipbuilding for the Indian Coast Guard. These are long range surface ships which are capable of coastal and offshore patrolling.
Sankalp-class offshore patrol vessels are a series of two offshore patrol vessels designed and built by Goa Shipyard Limited for the Indian Coast Guard. The vessels, also classified as Advanced Offshore Patrol Vessels, are the largest vessels constructed by Goa Shipyard Limited. Samarth class and Saryu class were derived from this class of offshore patrol vessels.
Krishnaswamy Natarajan PVSM, PTM, TM, is a retired Indian Coast Guard officer who served as the 23rd Director General of the Indian Coast Guard. He assumed the office on 1 July 2019 and served until his superannuation on 31 December 2021. He is currently the Executive Director of Regional Cooperation Agreement on Combating Piracy and Armed Robbery against ships in Asia - Information Sharing Centre in Singapore.
Ares Shipyard is a Turkish shipyard established in Antalya, southern Turkey in 2006. It builds fast patrol boats for the defence and law enforcement missions. This Shipyard Made World Class 'Ares-150 Hercules' OPV. Whice was awarded World's best Offshore patrol Ship By An International Maritime Organisation In 2018
ICGS Vishwast (OPV-30) is one of the three Vishwast-class offshore patrol vessel (OPV) of the Indian Coast Guard.
ICGS Sankalp is the first ship of her class. The vessel is classified as Advanced Offshore Patrol Vessels. She was built was Goa Shipyard Limited. and commissioned by A. K. Antony on 20 May 2008.
ICGS Sachet during commissioning ceremony at Goa.
Commissioning of ICGS Sachet.
India 
