India's coast depends on a line that Modi govt is treating as a 'secret'

High Tide Line is geospatial demarcation of the highest point reached by rising tide along the coast

Revealing the coordinates of India’s High Tide line would equal the disclosure of the designs of satellites, missiles and rockets by the Indian Satellite Research Organisation. This is what the National Centre for Sustainable Coastal Management, which is an autonomous centre of the Ministry of Environment, Forest and Climate Change, said in its response to a Right to Information application seeking information on the freshly mapped High Tide Line. The Centre refused to share the information, saying it would harm its scientific and economic interests.

But the High Tide Line is not a commercial secret of a private entity. It