இந்திய நில அளவைத் துறை: திருத்தங்களுக்கு இடையிலான வேறுபாடு

* Prediction of tides at 44 ports including 14 foreign ports and publication of Tide Tables one year in advance to support navigational activities.

* Scrutiny and Certification of external boundaries of India and Coastline on maps published by the other agencies including private publishers.

 

== References ==