Skip to Main Content
nhoimg

National Hydrographic Office

"Har Kaam Desh Ke Naam"

Home

  • INHD
  • Brief History
  • Vision and Mandate
  • Equipment
  • Organogram
  • Picture Gallery
  • Calendar 2025
  • Chief Hydrographer
  • Joint Chief Hydrographer

Services

  • Navarea Warnings
  • Navtex Warnings
  • Training in Hydrography
  • Hydrographic Surveying

Hydrographic Updates

  • NHO Annual Reports
  • The International Hydrographic Review
  • IHO Videos
    • 100 Years Of IHO
    • What is Hydrography
    • Hydrography Explain to Kids
    • Hydrography as a Career
  • Hydronaut 2025
  • Coordinates
  • Compass

Products

  • India WINS
  • Online Catalogue
  • Chart Agents
  • Nautical Publications

Indian Notices to Mariners

  • Search by Chart
  • Search by INT
  • Search by Notice
  • Search by Year

Contact us

  • Contact NHO
  • Contact NIH
  • Contact Naval Chart Depots

Hydrographic Note

International-co-op

National Hydrographic Office

"Har Kaam Desh Ke Nam "

Antarctica Expidition

SVP Observation In Progress

SMB Coastal Survey

Ship Sounding Off Barren Island

Sea Bed Sampling

Levelling

Bathymetric Operation In Progress

GPS Reference Setup

Ship entering at Male harbour

SMB LOWERING AT PORT LOUIS

CTD DEPLOYMENT

MBES CALIBRATION

SMB TRAILS

SMB OPERATION

SMB OPERATION OFF PORT LOUIS

SHIP SOUNDING MAURITIUS

Jamuna and her Fleet

Baby with the Bird

Buoy fixing

Bottom sampling

Levelling

Coastlining at beach

Boat Sounding

Recent Updates

  • Latest Navarea Warnings – Stay updated with the most recent navigational warnings.
  • Latest Navtex Warnings – Access current Navtex messages for safe navigation.
  • Latest INTM – View the latest Important Notices to Mariners (INTM) for chart updates.

News

Yoga - A Bridge Connecting Nations
Inauguration of All-New Renovated Sailors Institute Annex - Sagar
Admiral Dinesh K Tripathi CNS Addressed Indian Navy Sailors Posted in NHQ and Units in Delhi Area at Nau Sena Bhawan, New Delhi on 12 June 2024.
Read More

External Links

  • Indian Navy
  • IHO
  • NIH
  • NIOHC
  • SAIHC
  • IHR
  • Samuha
Follow us on:
National Hydrographic Office
Har Kaam Desh Ke Naam

Location

National Hydrographic Office 107-A, Rajpur Road, Dehradun - 248001, India

Email

inho[at]navy[dot]gov[dot]in
msis-inho[at]navy[dot]gov[dot]in

Maritime Safety Information Service

+91 - 135 - 2746290 - 117
+91 - 135 - 2748373

Copyright © 2025 INHO. All rights reserved.

Users Count:

Powered by GIKS India Pvt. Ltd.