Government of India

Welcome to INHD

Indian Naval Hydrographic Department

The Indian Naval Hydrographic Department (INHD) functions under the Chief Hydrographer to the Government of India and serves as the nodal agency for hydrographic surveys and nautical charting in India. In addition, the department conducts defence hydrographic survey critical to naval operations, submarine navigation and maritime domain awareness. INHD ensures safe navigation and international compliance through precise hydrographic data and modern survey practices.

INHD Survey Operations INHD Naval Operations
Mandate
Hydrographic Surveys
Compliance
IHO Standards
Coverage
Indian Ocean Region

What We Do

Delivering excellence in hydrographic surveying, nautical charting, maritime safety, and capacity building with global standards.

01
Survey Operations

Hydrographic Surveys

Conduct hydrographic surveys including navigation, defence and specialised hydrographic surveys in compliance with International Hydrographic Organization (IHO) standards for Hydrographic surveying (S-44) using advanced, state-of-the-art systems.

Learn More
02
Cartography

Nautical Charting

Produce and maintain official Paper Charts, Electronic Navigational Charts (ENCs) and nautical products for Indian waters and the Indian Ocean Region.

Learn More
03
Safety & Navigation

Maritime Safety Services

Coordinate NAVAREA VIII warnings and NAVTEX services along the Indian coast for timely dissemination of maritime safety information to mariners.

Learn More
04
Education

Training & Capacity Building

National Institute of Hydrography, Goa provides IHO recognised CAT 'A' and CAT 'B' hydrographic courses to Indian and international naval personnel from Friendly Foreign Countries as well as civilian personnel from various Indian ports and maritime agencies.

Learn More
05
Fleet & Infrastructure

Our Capability

  • Fleet of eight indigenously built state-of-the-art Indian Naval Survey ships, five specialised Hydrographic Survey Units and two Naval Chart Depots.
  • Dedicated hydrographic data processing and cartography infrastructure.
  • IHO-compliant survey and chart production standards.
Explore More
Our Services

Specialized Hydrographic Services

Delivering precision-grade hydrographic services trusted by navies and maritime agencies worldwide.

01
Service Category

Training in Hydrography

The Indian Naval Hydrographic Department conducts courses for Hydrographic officers, sailors, technicians and civilians, both from India and abroad. The Long and Basic Hydrographic courses conducted by the National Institute of Hydrography, Goa have been recognised with Cat ‘A’ and ‘B’ certification in accordance with S-5A, First Edition, and version 1.0.2 – Jun 18 of the FIH/IHO/ICA International Board on standards of Competence for Hydrographers and Nautical Cartographers, in 2020.

Service 1
02
Service Category

Hydrographic Surveying

The Indian Naval Hydrographic Department conducts courses for Hydrographic officers, sailors, technicians and civilians, both from India and abroad. The Long and Basic Hydrographic courses conducted by the National Institute of Hydrography, Goa have been recognised with Cat ‘A’ and ‘B’ certification in accordance with S-5A, First Edition, and version 1.0.2 – Jun 18 of the FIH/IHO/ICA International Board on standards of Competence for Hydrographers and Nautical Cartographers, in 2020.

Service 2
Global Collaboration

International Co-op

INHD actively supports friendly foreign nations through hydrographic training programmes, technical collaboration and MoUs — in alignment with the Prime Minister's vision of MAHASAGAR.

Read More
International Co-op
Global Outreach
Empowering Maritime Cooperation Across 30+ Nations

100 Years of Sharing Hydrographic Knowledge & Research

The International Hydrographic Review (IHR) is an international scientific journal publishing cutting-edge research in hydrography and nautical science.

Read More

Mapping Remote Locations with Satellites, Lasers & Acoustics

Augmenting traditional charting methods with cutting-edge satellite, laser and acoustic technologies for unparalleled coastal precision worldwide.

Read More

MoU Partnerships with Signatory Nations

Formal MoUs enabling joint surveys, data exchange and capacity building with signatory countries across maritime boundaries.

Read More

Products

Notices to Mariners

Indian Notices
to Mariners

Access all Indian Notices to Mariners individually or edition-wise. Four interactive filters for easy navigation of chart corrections in downloadable PDF format.

Indian Notices to Mariners
Get In Touch

Contact Us

Reach us for any communications regarding Maritime Safety and publications published by INHD.

01
Phone
Maritime Safety Information Service
+91 – 135 – 2746290 – 117
Call Now
02
Address
107-A, Rajpur Road, Post Box – 75
Dehradun – 248001 , Uttarakhand, India
Get Directions