These words were never used in any official release by Indian government. These words were used by hawks by adding colourful words. “Not even a drop of water” sounded like one.
Did you read the article that you shared in your post? Even that says that India doesn’t have infrastructure to hold water due to its quantum. The economics of developing one would take decades.
Only causality of the suspension is non-sharing data, that can cause difficulties on the other side to manage this resource efficiently.