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Government Orders

April 20, 2026June 6, 2026 HSW

Go.No .636/2025/F&P Dated : 11-09-2025 Download Go.No 706/2025/F&P Dated : 25-09-2025 Download

Downloads

Gradation List

April 20, 2026July 1, 2026 HSW

Provisional Gradation List of CASSAB Download Provisional Seniority List of Chief Survey Syrang Download Provisional Seniority List of Engine Driver […]

Downloads

Lakshadweep Survey

April 10, 2026April 16, 2026 HSW
Photo Gallery

Milestone

April 10, 2026April 16, 2026 HSW
Photo Gallery

Hydrographic Survey

April 10, 2026April 16, 2026 HSW
Photo Gallery

Important Surveys

March 24, 2026March 27, 2026 HSW

Major Survey Works & Activities The Hydrographic Survey Wing undertakes hydrographic, bathymetric, topographic, and coastal surveys for State and Central […]

Projects

Major Projects

March 24, 2026March 27, 2026 HSW

Kerala Coast Digitization With the objective of making coastal management and planning in the State of Kerala more scientific and […]

Projects

Survey Boats

March 23, 2026March 30, 2026 HSW

Specially designed survey boats fitted with hydrographic survey equipment are used to conduct surveys in rivers, lakes, ports, coastal areas, […]

Survey Equipments

Wave Recorder

March 23, 2026March 30, 2026 HSW

The Wave Recorder is an oceanographic instrument used to accurately measure and record wave characteristics such as wave height, period, […]

Survey Equipments

Sound Velocity Profiler (SVP)

March 23, 2026March 30, 2026 HSW

The Sound Velocity Profiler is an oceanographic instrument used to accurately measure variations in the speed of sound at different […]

Survey Equipments

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HYDROGRAPHIC SURVEY WING

Office of The Chief Hydrographer
Hydrographic Survey Wing
Aryankuzhi Road, Kamaleswaram
Manacaud P.O
Thiruvananthapuram - 695 009

 

chtvm.hsw@kerala.gov.in, chhswkerala@gmail.com
+ 91 471 2456123
+ 91 471 2967515

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