It has been brought to the notice of this Directorate that changes to charted data are not being forwarded to the Chief Hydrographer to the Govt. of India.

Port authorities are requested to inform any change in navigational information pertaining to their respective ports inclusive of Modernization plan etc. to the office of the Chief Hydrographer for incorporation into charts.

Ship Masters are required to actively participate in updating charts and nautical publication by informing the Chief Hydrographer to the Govt. of India any discrepancy noted to charted data inclusive of any dangers or incorrect charted aids to navigation.

This information is used by the Hydrographic office for the correction and updation of charts and nautical publication for safety of ships. 

The information is to be sent to the address mentioned below.